Here is the tool I used in this video: *Autel MaxiTPMS ITS600* - amzn.to/47EO50I Spoke with customer a week or so later and everything is still working perfect. It seems suspicious to me. Not sure why the dealer had such a hard time with it. My guess is they accidently fixed it and didn't realize it. Seems to simple to be anything else. Who knows 🤷🏼♂
I wonder if the connection in the module was bad and once the unplugged it and plugged it back in the contacts cleaned themselves enough to make it work.
I wish “took it to the dealer” meant what it’s supposed to. It does not mean a tech as skilled or as seasoned as Eric is working on the vehicle. And just because a tech is manufacturer trained doesn’t mean he absorbed the knowledge or knows how to apply it. No dealer could afford to employ a shop of all master techs with 20 years of experience, they would go broke with overhead. Speaking as an 18 year dealer tech (not far from South Main Auto), I could see this exact scenario happening in our shop. Right down to the manager waiving the majority of the bill knowing their tech is on his last chance so-to-speak.
It looked to me like the Autel did an odd relearn. It did some processing after all the TPMS reported in. I didn't think the factory procedure would do that. I wonder if it had something to do with it. I think it's safe to say a GM dealer is going to use GM tools and not an Autel.
@@thomasjohnson2435 The dealer should keep one highly experienced tech, like you, to supervise and inspect the work of the younger techs so they don't end up chasing their tails for hours, as obviously was the case here.
I am currently dealing with the EXACT SAME ISSUE. I have spent more than 8 hours. I have a 2009 GMC Acadia it sets code C0750-08, C0755-08, C0760-08, and C0765-08 intermittently. We are ALWAYS able to reset the light, that is not the problem. The problem is that the light always comes back on during a longer driving cycle. Here is what we have done to the car: We have put 2 different aftermarket sensors in it which normally work for 85% of the cars we work on. After the vehicle came back the 2nd time I put the OEM ACDelco (13540600) sensors in. I performed a software update to the RCDLR, then I warrantied the sensors with more OEM ACDelco. Then I put a module in it, then I put another module in it. The issue is still present. Here is a little more information. If you look at the code set criteria for all of those codes it says the vehicle needs to be driven over 25 mph for more than 18 minutes. Basically if the RCDLR has not received a signal from 1 or more of the sensors after 18 MINUTES it will set code C07XX-08. I had to basically take this car on a 45 minute test drive in order to recreate the issue. I watched the live data and all sensors went into drive mode and such. What I did notice was the tire pressures would change like in your video, but then after about 8-15 minutes or so 1 or 2 of them would stay fixed at the same pressure reading. After the 18 minutes of inactivity the tire pressure would jump to 147.8 psi. I pulled over and immediately tested the tire sensors with a tpms tool, all tires are transmitting the proper psi. The RCDLR still shows 147.8 on 1 or more of the sensors. I recreated this multiple times and knew this is where the battle is. According to service information if power is disconnected from the module the IDs will remain in memory, but all 4 tire pressures will read 148 psi. I wish it was that simple of a loss of power, but only 1 sensor will change to 147.8 psi. If I continue to drive then I will get another sensor that eventually shows the same pressure reading. What is really interesting is the customer told me sometimes after he turns the car off the light is magically gone and sometimes it is still there. So I had to recreate that also. After the pressure went to 147.8 psi I turned the car off and started back up, the light was still on. I continued to drive the vehicle and miraculously the tire pressure dropped back down to normal at 35 or 36 psi. Once this happened I turned the car off and started back up and the light was out. I continued to drive and the light came back on after another 18 minutes of activity, to which to scan tool showed 147.8 psi again. Next thing I did was I checked the GM calibration site and found there is a "New calibration to disable warnings for high pressure" for the RCDLR. I verified the correct RPO code for the software and the issue has still persisted. After putting OEM sensors and performing the software update I went as far as putting another set of OEM ACDelco sensors before finally calling a bad module. What else could it be, right? Well guess what, after installing the 2nd set of OEM sensors, module, programming, and test driving it came back again with the exact same thing. I verified that when the issue happens we are not losing communication with the RCDLR, no loss of power or ground. So because of all my checks I ordered another module thinking it may be faulty. Before I installed the new module I attempted to reprogram the RCDLR to a DIFFERENT RPO code, just to try it. I think there were 3 different options from the proper RPO code, all other calibrations did not work. I have a feeling this is still a software issue or possibly radio frequency interference, but I just cannot seem to prove anything. There is an antenna that connects to the RCDLR using a COAX cable, but I don't want to just throw a part at it. However I've spent so much time on this already I'm almost ready to just pull the trigger. The issue is still there. We have seen this car approx 12 times for this issue. Hopefully someone else is running into the same issue and can shed some light. I have plenty of pictures of scan tool data, RPO codes, calibration info, etc. Hopefully this car does, but does not come back to you Eric. I know you can fix it, but obviously I never want a car to return after "fixing" it however I'd love a solution to this issue.
Having worked in dealership service departments for half of my adult life Ive seem this situation repeated all too often. The service writer documents the complaint then the dispatcher,who believes it to be such an easy repair, gives the job to the most junior person in the shop thinking it will simply require tire sensor replacement. The tire changer replaces the sensors but can't figure the programming tool out. From that point on the story spirals out of control and the hours rack up and parts cannon is emptied. At best the dispatcher pulls the job back and reassigns it to a qualified tech or at worst the hours are billed and the customer is stuck with the bill only to return for the comeback treatment days later. The dealership then either refunds the entire labor charge or finds a qualified tech to pull the bacon out of the fire. Well done Eric. Rational thought wins out over pattern failure guesswork.
I had a stealership try to tell me that I had a bad transmission in a 5 year old car that I owned since new. I felt they were full of shit, told them to tow my car back home and I'd have to let it sit while I got the cash built. I actually sent it off to an independent garage that informed me the axel had come loose and got all of it's splines chewed off. I thanked them for their honesty and paid to have a new axel put in. Rode it for the next 11 years till the car got t boned and wrote off.
I had a customer, same issue. Dealer said the transmission was shot, no go, horrible grinding sound. Had it towed to my place. Started the car, put it in gear, left axle was bouncing all over the place. Pulled it, no splines left. New axle, worked fine.
My incident was the beginning of the end for me. My father LOVED the dealership and always took his vehicles there, which is why I did. After the axle incident though, I learned to start doing what I could on my own. UA-cam and good 'ol paperback repair manuals have helped me allot through the years. That being said, there are a few things i still take my vehicles to the independent garage for. Never again will I step foot on a dealership lot for repair.
The few of us honest, trustworthy, decent mechanics are dying off. Doesnt matter if your at a dealer, independent shop or work for yourself. This is all in your character and who you are. Eric O and some others have decided to do this channel which is a blessing. Keep on keepin on ERIC!
It must have just been a bad connection or something and they fixed it without realizing when they reinstalled the module. They probably just didn't re-check the TPMS after they gave up and put it back. You'd think that they'd have checked the TPMS once they realized that key fobs were suddenly working.
Not only didn't they check the TPMS with the new module, they apparently never tried the OBD re-learn/re-set Eric O. did in seconds. "Use this One Weird Trick to fix your TPMS problem..."
sometimes one can get so far into an issue that they fail to check the simple stuff..thats why im glad there are people like you. thanx for beiing there
@@adrenna123 ,LOL ,years ago my Father had a Jeep that after 4WD if it was not fully in detented 2WD it would pop into neutral. He called me one afternoon saying the trans was not working,great I thought,just what I want to do ,pull the T case and trans to do repairs. In the shower that evening I remembered he moved a house trailer and used 4WD L. Called him back to have him check the shift lever. Lever back in 2WD ,problem solved.
@@briandeschene8424 Worst thing in IT (probably in cars too) is when they call you in because other people looked at it and couldn't figure it out, and tell you they did x,y,z but if you trust that - well, it usually is they didn't actually do x,y,z. OTOH, the customer is like why is the 3rd person brought in asking me to reboot a third time? Well, because I have to start over from 0 to often find the problem. Also, "why does it take so long"? Well, because I can't count on any of the previous troubleshooting. At least in my job time is billed to the company so people aren't also like "I don't want to pay for 3 diags in a row in the same place!".
This reminded me a little of that 2019 GM pickup last year with electric assist steering that was acting wonky and throwing codes in the trailer brake module and a couple others. The dealership quoted the guy almost $4k for a new rack and pinion, but Eric tracked it down to a rusty crusty body ground strap. New ground strap fixed it all and for a lot less than 4 grand!
Eric, you are a definition of a great mechanic, diagnosing problems is where it’s at. Like the mechanic at the dealership takes eight hours. He was probably just inexperienced and you have the experience to him do your job and do it well, very impressed. I’ve watched your videos for a few years. And can’t remember a job that you could not figure out and fix.
I’m guessing they told him they worked on it for 8 hours so if need be, they get the $1500.00 but I figure it’s an hour or two of messing and said “to hell with a it” Love the channel
Every single shop I've worked at, with zero exceptions has had a couple good techs and lots of parts installers. Possibly the wrong guy at the dealer tried fixing this one, now it came to a good tech.
This seems to be the case in all fields. It's interesting how much is similar in IT vs cars, just we get paid better and less mess. Honestly, I think if shops paid a decent salary and figured out how to make that work they might keep better techs, but no one wants to pay for skilled labor till they actually need it for something that's really otherwise near impossible to pay to replace. It's also true that you've got a couple skilled people and a bunch of "run the automation" people. I think in the current setup (except IDK how the payment would work) the one way we've expanded our capacity is we get the checklist people to take a look and make sure none of the checklist stuff will fix it. This usually takes 15 minutes to an hour at most. Then we send it up the chain to someone who can figure out what the problem is or determine it's not fixable or whatever. Then the fix is either completed in working out the problem, or the proper checklist is identified and sent back to the checklist person. Of course with software most of this is free aside from labor, so with cars you'd probably have to have separate diagnosers / good techs who can then dispatch the parts changer at the actual part that needs to be changed. Of course if you believe youtube, you can't set up a dealer shop like this because of the frankly insane flat rate system in use.
It's the ground wire in the door harness that IS intermittent, just not right now. They "fixed" it reinstalling the original part. I recommend a Fonzie.
I also find it hard to believe the dealer spent 8 hrs with this problem and couldn't find the problem. You ask me the dealer just wanted to charge the costumer something, and let the car set to make it look like they worked with it. Like the other guy said dealers don't like working on older vehicles, because they usually are out of warranty, and no incentive to make repairs....
@@cassiuspuckett8789 actually out of warranty stuff is what the dealership wants to work on. Warranty jobs pay substantially less then customer pay jobs. However what dealerships typically don't want to fix is old rusty stuff, or any kind of electrical problem.
Had my 11 sierra denali at the gm dealership for 4 days.. the tech tried claiming it was 100% power to rear wheels and fronts only engage when it detects slip.. I have no selector switch as my truck is AWD.. the transmission was in limp mode with circuit voltage high for shift solenoid B on the tchm.. the claimed the tech spent 6 hours and on it and can't find the problem. They then tried talking about how much it was worth to me to fix it rather then trade it in.. immediately I told the service manager I want my keys and I'm done with them.. they didn't charge me as it was obvious they only scanned the truck and printed some codes for me to see and them try to get my truck from me..
They hire morons fresh out of school and off the street because they are desperate for bodies. If you have a monster green tool cart and a can of Bang in your hand, you're guaranteed a job at the stealership. No legit techs want to be treated like shit at dealers any more.
Watching you found a parasitic draw. Worked on vehicles in the 80s a semi in a down pour at 3 am is why I stopped doing it. But your help got this old man to fix a problem. Thanks enjoy the videos young man
I’d be curious to see if the diagnostic flow chart for those fault codes mentions anything about doing a sensor relearn. If not, even though it is common sense for anyone who knows anything about TPMS, you’ll know why they couldn’t figure it out. My experience with dealer techs is that their version of “diagnostics” is to briefly look at the diagnostics info, scroll to the end and see what part it says to replace and say that’s what’s wrong. When they reach the end of the list and there are no more parts to replace, the car is “unfixable.”
I once worked with a car company (which I will not name for legal reasons). The service departments at the larger dealers had one guy with a guarantee of x-hours who repaired the “hard” problems. If a smaller dealer couldn’t repair the problem, they shipped it to one of those guys before the buyback process was initiated. Whenever a new service manager took over, he would remove the guarantee to make more profit, the guy would leave, the quality of repairs would drop, cars got bought back, and the SM would have to grovel to get him back. In 8-years I saw that happen about 10-times. It was fun to watch. Not so good for the customer.
Yeah, that guy used to be me, except I was paid hourly. I liked finding and fixing the actually hard problem. I got tired of fixing the fuck ups, misdiagnosed problems and the “hard problems that nobody could figure out” that should have been found and fixed in 20 minutes. Left the industry 2 years ago and never looking back. My next job _started_ $20k higher than I was making as a tech.
My 2005 Dodge Ram 1500 had the Lightning Bolt light on almost permanently from 3 months out from purchase. They tried over 10 times to repair it. Sometimes, upon pick up of said pick up (pun intended) I would not even make it out of the dealership parking lot and the light would come back on! Talk about frustration! We got to the buyback stage and before that happened they wanted to give my truck to their best technician at the dealership. He took the truck for over a week for his personal vehicle. When I got it back it reeked of cigarettes and gas gage was on empty. But the lightning bolt light was off. Yay. Held for 6 months. Then came back almost everyday. So in the end, it was never fixed right. I always felt it was the ECM because everything else was replaced. They refused to change the ECM. I lived with the limp mode and annoyance for 15 years. Other than that, truck was great. 😢
@@jakebpau2396 I would have been Screaming at the Service Manager about the Tobacco Stench the Next morning with a Line of Customers waiting, and Demanding a very thorough Cleaning to get that Stench out. And I would be back a couple of Days after it was Cleaned, still screaming it stank, after about 6 or 7 more cleanings...
RCDLR. Remote Control Door Lock Receiver is what the 07-13 trucks use. Its the same module that operates the keyless transmitters. Its behind the trim panel, driver's side C pillar.
The dealer had technicians unfamiliar with this system, they threw parts at it, and didn't successfully do the relearn so the new receiver module never picked up the IDs of the four tire sensors. That simple. I'm a DIY guy myself and I have an older Autel TPMS tool that I use on my newer cars and do all of the programming myself now so the tire stores don't have to.
I think the great disparity between the 65lb tire and the lower tire pressures was triggering the system to turn on the tpms light. Holy cow! Just check your tire pressures manually every week or two. Super video however (as usual)!!
My 08 Jeep displays the tire pressures on the info display. It even monitors the spare. You'd think a 2011 vehicle would display the pressures for you.
It's depressing to hear all the stories where the dealer just gave up after draining someone's credit card, and sometimes leaving the vehicle in worse condition. A $150 bill was lucky for the owner. They are lucky they got you guy. Some of the channels I follow have so expanded my horizons, so that the last tool to reach for is the credit card. And the first tool a schematic, subscription, or factory service manual. Thank you guys. I have always read that the service end was the profit generator of a dealership. How can they continue to field an untrained, unknowledgeable force and stay in business? I guess because they are the only game in town. Have a great thanksgiving feast.
Why was the dealer entitled to anything? They didn't fix the problem, couldn't diagnose the problem. Here's your car back the way you brought it in. Now pay me $150.00. I would've taken my car and paid nothing. Let them take me to small claims court.
How does being lied too and scammed out of 150 $ make him lucky ? They would not just eat a 8 hour diagnostic fee plus the cost of the module the supposedly replaced ! They ripped him off ! They would not just take a 1,000 $ loss !
I think you said what was wrong.... dealership removed the _inoperative_ door module and customer declined repairs reinstalled _inoperative_ door module (@5:37) and functionality returned to the key fob, meaning that there was a dirty/ bent or pushed back pin connection to the door module. The dealership never tried then to program the tire sensors again... You do some great sleuth work ferreting out electrical gremlins, the videography is spot on and the scripting, editing and subject matter is always on point.. Thanks for the ride along it satisfies me missing turning wrenches myself after I retired. :)
Eric, over the years I have run into this numerous times. Since the problem did not occur while you had it I would suggest conferring with the customer about any "add on devices" that were not present while you had it. I have had things like blue tooth transmitters, Insurance company and diagnostic dongles on the OBD connector etc. cause this problem. I once had a customer with an intermittent no crank/no start every 3 to 5 days that would miraculously be resolved once towed to the shop. After several times I told the customer the next time it happens, walk away, do nothing and call me. Once I got there I found an "Insurance dongle" plugged in. I remove it, powered down for 5 minutes and the car performed flawlessly. Told the customer to leave the dongle out and what do you know, problem never returned. Insurance company reimbursed the customer for the inconvenience.
One of the things I like about my 2016 KIA, is that the TPMS pressures display on the IP for each wheel and it’s location, and it’s tied in with the antilock brakes, electric power steering, and stability management, and because of that has the logic built in to be able to determine when you’ve rotated the tires and recalibrates for the new location of the tpms sensor on the new corner of the car it’s now on.
Engineers will change the bulb, rewire the outlet, change the breaker in the panel and still scratch their heads. You, my friend, will simply turn the switch to the on position. You are very thoughtful with regard to "stealerships" in your commentary. Thanks for another great video.👍
Wow! Could it be that trouble-shooting skills with the next generation of mechanics is becoming a lost art? As always, great video Eric! Thank you for the content.
We tried. And we tried again. And instead the bankers and politicians decided to close all the trade schools and that everyone should go to college because it's more profitable for the 1% to do it that way.
Former Chevy Dealer Mechanic I'm not sure if it's relevant, but the dealer most likely uses a different method to learn the sensor IDs to the module. They put the vehicle in learn mode and then trigger each sensor in order with a handheld radio tool. It's possible that the vehicle has a problem somewhere in that process that doesn't show up when you do an OBD2 relearn.
It looked like the original tpms that you read out was the original sensor codes. After you went around and read each tire sensor it showed a different sensor code. When you initiated the relearn sequence the new codes went in. the dealer never relearned the new sensors. So the truck was comparing the new sensors to the old data, hence throwing up the error code.
The owner said it's been like that for years. I wonder if the previous owner installed new sensors and they just were never ever relearned or if it was a winter/summer tire swap
The term is vaso vagel, when a doctor can't explain the reason for a condition that's the term they use. You are the doctor of vehicles and this was your vaso vagel moment lol. Keep up the great work Eric, love your videos.
Thank you for another video. I learn a lot from you. I knew nothing about cars no lie until I started watching you years ago. I was able to fix my own vehicle a 2000 Ford Mustang battery kept dying….after watching a video you did on parasitic drain I was able to pinpoint. The problem was the aftermarket radio that someone put in just wanna say thank you.😊.
Eric. I’ve had a mother lover of a time with a 2011 Tahoe at the shop. TPMS, just would NOT behave. Wore out some patience’s around the shop. Prayer, patience, back to step A, and son of a bisquit, put her in learn mode,then one at a time, deflating until hornchirp, at all 4 corners, got the double chirp after L/Rear, turned key off, aired up to fac. spec. And !!!! Hallelujah! Son of a bisquit eater! She was back in action. Oh happy day. I will never forget that truck, and still don’t understand why. I wrote down the recipe and put it in the glove box.
Look at the bright side. Owner got it fixed for far less than $1500.00, we got to see the video, (Thanks SMA), the rest of the truck is set to go. Another old truck rolling down the road. No substitute for good honest workmanship. Love the videos.
Really interesting. Similar issue with 2010 Roadtrek class B RV. On 3500 Express chassis. All wheel sensors replaced with Delco about a year ago with new tires. While on recent trip lost comm with RF sensor. I figured things happen so we replaced it at DT at no cost. A few days later lost comm with LR sensor, also had it replaced. But the tire guy couldn't seem to get the system back online so I left with inoperative TPMS - zilch at all wheels. The receiver lives in the dash so I couldn't access it on the road, but it also works the remote locks. No problem with those. When we got back home I first used my cheapie sensor rekeran tool, all wheels responded, no more TPMS light. I then used a scan tool to look at the TPMS, all 4 wheels showed exactly what you found, pressures showing, in learn mode with van stationary, and all sensor batteries ok. After a few days of driving the TPMS is still ok, but I'm waiting to see what happens. Never really figured it out unless the CANBUS back to BCM has an intermittent issue - my wild guess right now until further failure happens.
It is SILLY that the dealer couldn't fix it, Eric? No, it isn't silly, it is a fact! Those mechanics probably couldn't get off their phones long enough to even take the time to diagnose the issue. (For which, I understand they don't get paid.) This brings back fond memories of the 2019? Suburban/Yukon? that you worked on, Eric. There was an entire list of components that the dealer said needed replacement and you diagnosed a bad ground and had the customer driving home in a matter of hours. I walked into our local Chevrolet dealership and saw everyone on their phones recently. It was recently sold and the new owner introduced himself to me at the parts counter. The name of the dealership is "Royal Oaks Chevrolet." I told him that locally the dealership is known as "Royal Jokes Chevrolet." He replied, "Yeah, we are trying to change that." I looked around at all those people on their phones and said, "Yeah, right." GREAT VIDEO!
I'm looking around the shop here.... Nobody here would ever claim to be an expert. In fact, the less the tech knows, the more he/she can make. I've learned to dummy up after 48 years of dealership life.
@@scrappy7571 You're a special guy....It took me 10 years to figure out working with sad, unmotivated, melancholy whiners was not my cup of tea.Not every employee, but far too many with bleeding Roids and bad attitudes To say nothing of the ridiculous management like a revolving door The Honda people threatened to yank the franchise from CSI being so low
I agree Eric, it’s the dealer, they should know the car in and out plus they should have a master mechanic he or she could of helped diagnose the issue
If it's an '11, it's older'n half the mechanics working in dealerships...HS shop ->"wyotech" degree -> dealership, "paper know-how." Can't find the bolts on the intake ...
We had a local dealership (not saying which one) that had all of their mechanics and service managers quit in a two week period. I still don’t think they are back up to par. Just because it’s a dealership, doesn’t mean they have good mechanics.
As a former Mac Tools distributor back in the eighties, I found all kinds of levels in mechanical aptitude and believe me I found just a handful of mechanics that knew their stuff. And it did not matter whether it was a dealership or an independent garage.
Because even if it’s the truth you can’t just say it these days without being sued. It’s not worth putting myself in that position just to put in my 2 cents worth.
I articulate what I want, when I want. I don’t go looking for fights but if I’m backed into a corner I will. I choose my battles carefully. I don’t see a reason to get into one with a dealership just because someone else is curious. I have a right to express myself or not. It’s my freedom to exercise as I see fit.
Eric O, your meemaw told me about weird TPMS issues. Some CELLPHONE CHARGERS (especially the cheapo ones) will put out RF interference which will make the TPMS system error out. Another thing to watch out for: aftermarket RADIO HEAD UNITS.
If I had to guess this is probably just a case of the bad connection they unplugged it and plugged it back in multiple times making better connection and never try to relearn it afterwards evident by the remote door lock starting working
@@stevea6722 RIght, after seeing how many cars Eric fixes that the problem turns out to be "the green crusties", the salt belt and the money shot of "There's your problem lady!". I wonder if the module is somewhere where the plug or connector got dirt in it.
Man, I work in a tire shop and it amazes me with some vehicles how tedious it can be. For the most part, it's a 5 - 10 min task to relearn the tpms system like that one was. I can not stand lazy techs, and it looks like that dealership has a few, or they lack the basic fundamentals of diagnostic abilities. Good on you for straightening this simple mess out.
I'd bet that the old receiver module in the door they took out and put back in just had a bad connection; possibly a wire shorted to ground through a wire pull (hole) or just a bad pin in the connector? When it comes back, that's what I would look for. Seems like the GM dealer inadvertently fixed it by taking it apart and putting it back together.
Could of had some moisture in the connector to the module causing some corrosion on the pins.Unplugging and replugging the module probably fixed the problem.
Not likely. If you look closely, the diagnostics screen shows different sensor ID's. I'd be willing to bet the previous owner installed new sensors and they simply never were learned to the vehicle. He maybe had different winter/summer wheels
It is called lack of training.Mechanic finds a repair for a major problem.Nobody informs the other mechanics of the diag and repair.This is lack of training.@@wendwllhickey6426
The customer probably figures he's way ahead now! Paid you to get the job done right and saved himself $1,500 bucks! I bet the Dealership never made a follow-up call to see how it was going either! Wishing you, Mrs. O and Family a Happy Thanksgiving. Thanks for Sharing!
Eric, this challenge is something you take on in full force. Don't give up like the dealer. You are capable of root causing these things. I look forward to a Part 2 resolution.
Most dealerships look at the TPMS as a rookie job, or even a pencil pusher can do it, I’m sure there was a hand full of people on it and not one of them knew what they were doing. My truck spent three days at the the dealership for a regen and they still couldn’t get the limp mode to go away, unless I spent $9k on a whole new exhaust system, you know how that ended, like screw them, I deleted the truck for under $2k.
@@mikeday8826 There's an intermittent issue with these, if they limp mode wont go away after a successful completed parked regen, you have to reflash the PCM. Cummins too, we had a truck broke down on the side of the road due to watered down DEF they got at a truck stop (never do that, buy known good DEF and only use from a sealed container). We drained all the DEF out of the tank, flushed a bit with new, and refilled with new 2.5 gallon bottle. Did parked regen, still nothing. Had to call Cummins tech support and they said it's a bug in the programming, and the set code won't go away. Reflashed the engine controller with the exact same calibration, and the code went away, and no issues since. Delete is another option, but it's technically 'not 50 state legal' so YMMV. As far as why would need to reflash the engine controller with the exact same existing calibration, is beyond me. The only time I've done that is if there's an updated calibration available, or a new calibration has bug fixes for a known issue. I don't like reflashing Cummins computers, there's always a small risk involved if the re-flash process is interrupted and brick the ECM. That's why I use only a laptop with a charged battery, eliminates the risk of a brief power outage crashing the PC. But after spending an hour on the phone with Cummins, that's what they said to do. Yes this particular truck is due for a new DPF, but it's still working ok, have one in stock, just haven't had the time to swap it yet. One problem is it takes so darn long for the exhaust to cool down, to get it apart. I highly recommend the Durafit brand of aftermarket DOC's and DPF's. Made in USA and seem to be as good or better as OEM, and the cost savings is significant enough that its better in the long run to just replace instead of wasting time getting it "baked". Baking or heating a DPF does not remove the ash buildup, ash is already burned so it can't be burned further. Ash comes from the small amount of engine oil every engine burns (can't have perfectly dry cylinders especially with ULSD), so it accumulates over time.
Another case of the dealer ship giving customers the reach around, absolutely rediculous, if everyone in your area knew how good you was, let dealership set an bring the vehicles to you, because your honest, thanks for sharing eric
No doubt in my mind that Eric will figure this and have it fixed in an hour or two. Never go to the dealer first most of them are just part changers and poor diagnostians.
Not all dealer techs are parts changer and poor diag tech. Although I have seen a good share of bad techs during my 37 years at a dealership turning wrench, I have seen a large share of tech whose took the time to do it right. I was also one of those techs that got the problem child cars as no one there would take the time to figure those problems out.
They didn't fix it because they didn't want to fix it, a lot of dealerships are trying to push people into buying a new vehicle by acting like what's wrong either cannot be fixed or would be too expensive to fix, so why not just buy something new from us to drive and save the headache. Meanwhile they don't even look at it to see what is wrong with it.
@@michaelnomura5196There’s a surprising number of people that will trade in a car and get a new one over $1500 in repairs. Obviously this one didn’t actually need those repairs at that time. But, that’s what the dealer was trying to tell them.
"too expensive to fix" meanwhile a new Silverado Z71 runs you in excess of $60,000. Or you could get the base model with a damn turbo 4 cylinder. Don't get me wrong, a turbo 4 in a car is great. In a truck I'd rather have an inline 6, optionally with a turbo, or an NA V8. Or a turbo V8. Or a pre-SCR turbodiesel V8.
@@lsswappedcessna It's dumb, but there's lots of people that only look at the monthly payment. To them a $600 a month payment is the cheaper option than $1500 to fix an old something now. All they see is a shiny new vehicle for only $600.
This guy I've watched for years is always on point with trouble shooting yeah dealer lets pay south main auto to fix it for us and tell the customer yeah we fixed it 😂
The Bridgestone/Firestone fiasco of the late 1990s. Hundreds of people died when they didn't maintain the proper inflation of the tires of their Ford Explorers. Tires ruptured at speed, and people died in the resulting accidents. The problem was people not maintaining the pressure in their tires. The the families of the people who died, and the blood-sucking lawyers who went after Ford and Bridgestone, didn't care it was their own fault. This resulted in the TREAD Act of 2000, which required vehicles to have an indicator light if a tire was not at the proper pressure. And so here we are, with more naggy things on the dashboard: - oil pressure warning - seatbelt warning - engine temperature warning - tire pressure warning And then around 2002 a handful of kids got run over as parents were backing out of driveways. This resulted in teh Cameron Gulbransen Kids and Cars Safety Act of 2007, which requied all new vehicles to have backup cameras by May 2018. That is what happened with just checking your pressure with a tire gauge - they didn't and they died.
I had this same problem with both the FOB and TPMS inop in my 2008 Chevy . I replaced the RCDLR module the 07-13 trucks use for both features (each uses a 315 Mhz signal) to no effect. Ended up being a broken / corroded/ intermitent wire connection under the drivers door sill that powered the RDCLR module. Driving on salty roads and my big boots allowing salty water to infiltrate the area was the diagnosis.
I know on some of the old passive TPMS systems that they didn’t have a specific tire pressure set, they simply looked at whether or not the lowest tire was drastically lower than the highest tire, if you set them all to 32 or to 40 then it would stay off, but have one at 30 and one at 40 psi and it would go off even if they were supposed to all be 30.
I work at Toyota. We have an OEM toyota tpms tool that works 75% of the time. I myself had run into the issue of a tpms light flashing (sensor/module issue) and ended up calling the module when the tool just was not communicating properly to the sensors installed to the vehicle. Since then we have introduced autel and würth tpms tools to try different options before getting deeper into a diagnosis.
I have learned alot from Mr.O something like this was overlooked by the dealer tech. It happens all the time at dealerships biggest problem is no one is held accountable. They pick and choose there battles its the new era of dealerships.
You always do a great job, Eric. I can not imagine the dealer would not have attempted a relearn because it's simply std procedure. I would suspect there is an intermittent issue with the communication integrity. Although, if so, it could be anywhere. I would first suspect the wiring or connector of the module the dealer replaced. Perhaps moving things there, in its self, could have temporally corrected a connection issue. However, this is one of those jobs that you can only do so much and you sit back and hope for the best. If the truck comes back perhaps there will be evidence for a better direction to the problem. Thanks for sharing your experiences.
Hi ERIC ,After looking at YOUR video ,i realized MAYBE i should READ the instruction booklet that came with THE SHOPS TPS tool.And the 1st thing it said was to CHECK the 9 volt battery.It's then that i found the ISSUE.NOBODY here has a Phillips screw driver that small,and so they just couldn't change the BATTERY.WE got the secretary to go online and just BOUGHT a new TPS reader with a fresh battery.OUR issue is now resolved.haha
Dealer Tech wasn't too bright, and likely wasted an hour, but managed to restore the FOB by unplugging and replugging that Module. So the Dealer claimed they threw $1500 at it, but they would be nice and waive it, if he give them $150 and would go away
65lbs of pressure on one tire compared to 30 something pounds of the other tires would be the problem. The tire pressure would have been the thing I would have checked, I may not have scanner but I can read the tire with the recommended tire pressure/limit indicated on the sidewalls of the tire. Great Video as always.
If the dealer mechanics were regular watchers of this channel, they would have been well enough educated in diagnosis to have fixed it in the first place.
The only thing the stealership cares about is that they lost out on the commission for selling the new vehcile, they didn't actually care about the vehicle to them it as a means to an end in that had they managed to convince the customer that it was the big scrapyard in the sky time they might have gotten a sale out of it. Most stealers have no shame the best comment I ever read was about a guy who asked should he take hs car to a stealership to have the air con looked at, the advice was use an independent garage as they will have a good look before the stealership even figure how to get the hood open.
Dealerships shouldn't even have a service department. They don't care about fixing (use that term very loosely) cars, they just want to sell the overpriced POS's. You're still THE MAN though Mr. O!
I've only owned one vehicle with TPMS, but why do some make it so difficult? It seems like everyone should adopt the drive a mile or so and the car figures it out by itself system.
There's another similar system that measures differences from wheel.speed sensors. Low tyre pressure = wheel spins a bit faster. Not as exact as the individual sensors inside tyres, but good enough to catch a puncture before the tyre blows?
The whole thing sounds like a pain. I just check with a quality pressure reader every few weeks. I'd be super annoyed at a warning light glowing for something so silly like a malfunctioning TPMS.
@@MattExzyThey had to start going to some sort of tire monitoring system because with run flat tires and most modern tires having stiff short sidewalls the tire can be dangerously low on pressure and not actually look very low.
Stealer-ship: We worked on it for 8 hours......LOL Eric O: I reprogrammed the TPS, added air to the tires, took it for a rip and life is good once again! South Main Auto to the rescue!
What do I think? I think that vehicle had heard about you and was scared of you, and when you started working on it said 'yes boss', but had already hear of the dealership and was 'flipping the bird' at them. 😁
INCOMPETENT DEALERSHIP, the guy needs to go back and get his $150.00 back. Sad there's so many crooked people in America. Or the mechanic is INCOMPETENT. Your the best Eric. 5 mins and you proved the dealership wrong.
I wondered that but then noticed the numbers were going up in jumps of 0.58 psi so just a low resolution pressure sensor value being converted to PSI for US market.
I think it is down to the resolution of the analogue to digital converter: it may only be 8 bits which means the 0 to 80 psi is divided by 256 so the resolution is 0.3125 psi. It would be better if the programmer has reduced the displayed value to 1 decimal place.
244000 Pascals is 35.389 psi, and 248000 Pascals is 35.969 psi. I'd lay 20$ on the TPMS transmitting in 1000's of Pascals being converted to 2 decimals of psi. (Meaning they're really only +/- .15 psi to each other, which is slightly more believable)
One thing I know for sure, is if you have way too much air in a tire, the TMPS system will go crazy. Mine did that and I found out that the dealership had put 59 lbs. of air in a tire that is supposed to have 30. As soon as I let the air out of the tires until it reached the correct pressure, the system work as it should. The dealership couldn't figure mine out either. I ended up doing it myself.
They were embarrassed and just wanted the problem to go away. The owner of the dealership would have been pissed off if the customer made a stink and it got press that his dealership mechanics couldn’t fix a simple problem.
@@Soothsayer-rs5nb Yeah the dealers live on repeat business. Push away one customer you lose him forever, and miss the chance he/she will eventually need a new vehicle. Being an '11, and in the PRNY, and a GMC, they're going to need something new(er) pretty soon.
Possible that the RCDLR was locked up, only RKE functions were operating. Removing then installing the module reset it. One other factor of unsuccessful tire sensor learn procedure is the park brake is not set, switch isn't showing a closed status in data. Nicely done! Gained a customer and a good review from them!
I wonder if the RCDLR was logic locked, that would explain remotes and TPMS not working and power cycling/unplugging the module fixed it. Maybe that's why the remotes worked after installation.
Here is the tool I used in this video: *Autel MaxiTPMS ITS600* - amzn.to/47EO50I
Spoke with customer a week or so later and everything is still working perfect. It seems suspicious to me. Not sure why the dealer had such a hard time with it. My guess is they accidently fixed it and didn't realize it. Seems to simple to be anything else. Who knows 🤷🏼♂
How many mechanics would check back with a customer to see if everything is good a week later ? Not many I know that .👍
I wonder if the connection in the module was bad and once the unplugged it and plugged it back in the contacts cleaned themselves enough to make it work.
I wish “took it to the dealer” meant what it’s supposed to. It does not mean a tech as skilled or as seasoned as Eric is working on the vehicle. And just because a tech is manufacturer trained doesn’t mean he absorbed the knowledge or knows how to apply it. No dealer could afford to employ a shop of all master techs with 20 years of experience, they would go broke with overhead. Speaking as an 18 year dealer tech (not far from South Main Auto), I could see this exact scenario happening in our shop. Right down to the manager waiving the majority of the bill knowing their tech is on his last chance so-to-speak.
It looked to me like the Autel did an odd relearn. It did some processing after all the TPMS reported in. I didn't think the factory procedure would do that. I wonder if it had something to do with it. I think it's safe to say a GM dealer is going to use GM tools and not an Autel.
@@thomasjohnson2435 The dealer should keep one highly experienced tech, like you, to supervise and inspect the work of the younger techs so they don't end up chasing their tails for hours, as obviously was the case here.
Every town needs an South Main Auto
I am currently dealing with the EXACT SAME ISSUE. I have spent more than 8 hours.
I have a 2009 GMC Acadia it sets code C0750-08, C0755-08, C0760-08, and C0765-08 intermittently. We are ALWAYS able to reset the light, that is not the problem. The problem is that the light always comes back on during a longer driving cycle.
Here is what we have done to the car:
We have put 2 different aftermarket sensors in it which normally work for 85% of the cars we work on. After the vehicle came back the 2nd time I put the OEM ACDelco (13540600) sensors in. I performed a software update to the RCDLR, then I warrantied the sensors with more OEM ACDelco. Then I put a module in it, then I put another module in it. The issue is still present. Here is a little more information.
If you look at the code set criteria for all of those codes it says the vehicle needs to be driven over 25 mph for more than 18 minutes. Basically if the RCDLR has not received a signal from 1 or more of the sensors after 18 MINUTES it will set code C07XX-08. I had to basically take this car on a 45 minute test drive in order to recreate the issue.
I watched the live data and all sensors went into drive mode and such. What I did notice was the tire pressures would change like in your video, but then after about 8-15 minutes or so 1 or 2 of them would stay fixed at the same pressure reading. After the 18 minutes of inactivity the tire pressure would jump to 147.8 psi. I pulled over and immediately tested the tire sensors with a tpms tool, all tires are transmitting the proper psi. The RCDLR still shows 147.8 on 1 or more of the sensors. I recreated this multiple times and knew this is where the battle is. According to service information if power is disconnected from the module the IDs will remain in memory, but all 4 tire pressures will read 148 psi. I wish it was that simple of a loss of power, but only 1 sensor will change to 147.8 psi. If I continue to drive then I will get another sensor that eventually shows the same pressure reading.
What is really interesting is the customer told me sometimes after he turns the car off the light is magically gone and sometimes it is still there. So I had to recreate that also. After the pressure went to 147.8 psi I turned the car off and started back up, the light was still on. I continued to drive the vehicle and miraculously the tire pressure dropped back down to normal at 35 or 36 psi. Once this happened I turned the car off and started back up and the light was out. I continued to drive and the light came back on after another 18 minutes of activity, to which to scan tool showed 147.8 psi again.
Next thing I did was I checked the GM calibration site and found there is a "New calibration to disable warnings for high pressure" for the RCDLR. I verified the correct RPO code for the software and the issue has still persisted.
After putting OEM sensors and performing the software update I went as far as putting another set of OEM ACDelco sensors before finally calling a bad module. What else could it be, right? Well guess what, after installing the 2nd set of OEM sensors, module, programming, and test driving it came back again with the exact same thing. I verified that when the issue happens we are not losing communication with the RCDLR, no loss of power or ground. So because of all my checks I ordered another module thinking it may be faulty. Before I installed the new module I attempted to reprogram the RCDLR to a DIFFERENT RPO code, just to try it. I think there were 3 different options from the proper RPO code, all other calibrations did not work. I have a feeling this is still a software issue or possibly radio frequency interference, but I just cannot seem to prove anything. There is an antenna that connects to the RCDLR using a COAX cable, but I don't want to just throw a part at it. However I've spent so much time on this already I'm almost ready to just pull the trigger.
The issue is still there. We have seen this car approx 12 times for this issue.
Hopefully someone else is running into the same issue and can shed some light. I have plenty of pictures of scan tool data, RPO codes, calibration info, etc.
Hopefully this car does, but does not come back to you Eric. I know you can fix it, but obviously I never want a car to return after "fixing" it however I'd love a solution to this issue.
Having worked in dealership service departments for half of my adult life Ive seem this situation repeated all too often. The service writer documents the complaint then the dispatcher,who believes it to be such an easy repair, gives the job to the most junior person in the shop thinking it will simply require tire sensor replacement. The tire changer replaces the sensors but can't figure the programming tool out. From that point on the story spirals out of control and the hours rack up and parts cannon is emptied.
At best the dispatcher pulls the job back and reassigns it to a qualified tech or at worst the hours are billed and the customer is stuck with the bill only to return for the comeback treatment days later. The dealership then either refunds the entire labor charge or finds a qualified tech to pull the bacon out of the fire.
Well done Eric. Rational thought wins out over pattern failure guesswork.
I don't respect dealerships. You are a testament to local garage expertise and real value.
I had a stealership try to tell me that I had a bad transmission in a 5 year old car that I owned since new. I felt they were full of shit, told them to tow my car back home and I'd have to let it sit while I got the cash built. I actually sent it off to an independent garage that informed me the axel had come loose and got all of it's splines chewed off. I thanked them for their honesty and paid to have a new axel put in. Rode it for the next 11 years till the car got t boned and wrote off.
I had a customer, same issue. Dealer said the transmission was shot, no go, horrible grinding sound. Had it towed to my place. Started the car, put it in gear, left axle was bouncing all over the place. Pulled it, no splines left. New axle, worked fine.
My incident was the beginning of the end for me. My father LOVED the dealership and always took his vehicles there, which is why I did. After the axle incident though, I learned to start doing what I could on my own. UA-cam and good 'ol paperback repair manuals have helped me allot through the years. That being said, there are a few things i still take my vehicles to the independent garage for. Never again will I step foot on a dealership lot for repair.
The few of us honest, trustworthy, decent mechanics are dying off. Doesnt matter if your at a dealer, independent shop or work for yourself. This is all in your character and who you are. Eric O and some others have decided to do this channel which is a blessing. Keep on keepin on ERIC!
The GM techs should be watching your videos
No doubt
In this insane world, people like you are invaluable, Eric.
It must have just been a bad connection or something and they fixed it without realizing when they reinstalled the module. They probably just didn't re-check the TPMS after they gave up and put it back. You'd think that they'd have checked the TPMS once they realized that key fobs were suddenly working.
That’s exactly what I was thinking too.
Funny that furries are coming out of the closet now. Thanks for letting us know you are a dog.
Not only didn't they check the TPMS with the new module, they apparently never tried the OBD re-learn/re-set Eric O. did in seconds.
"Use this One Weird Trick to fix your TPMS problem..."
Replied with this myself for reading your comment.
That’s what I’m thinking
Sounds like the dealer tech didn't know how to use a programmer. Nice work as always!
sometimes one can get so far into an issue that they fail to check the simple stuff..thats why im glad there are people like you. thanx for beiing there
sling blade voice "It's out of gas."
A lot (too much) of my IT career spent troubleshooting where I solved with the obvious and assumed stuff which too often was overlooked by others.
tunnel vision... I've solved many issues in the shower or on the bicycle....... the mind is amazing......
@@adrenna123 ,LOL ,years ago my Father had a Jeep that after 4WD if it was not fully in detented 2WD it would pop into neutral. He called me one afternoon saying the trans was not working,great I thought,just what I want to do ,pull the T case and trans to do repairs. In the shower that evening I remembered he moved a house trailer and used 4WD L. Called him back to have him check the shift lever. Lever back in 2WD ,problem solved.
@@briandeschene8424 Worst thing in IT (probably in cars too) is when they call you in because other people looked at it and couldn't figure it out, and tell you they did x,y,z but if you trust that - well, it usually is they didn't actually do x,y,z. OTOH, the customer is like why is the 3rd person brought in asking me to reboot a third time? Well, because I have to start over from 0 to often find the problem. Also, "why does it take so long"? Well, because I can't count on any of the previous troubleshooting. At least in my job time is billed to the company so people aren't also like "I don't want to pay for 3 diags in a row in the same place!".
This reminded me a little of that 2019 GM pickup last year with electric assist steering that was acting wonky and throwing codes in the trailer brake module and a couple others. The dealership quoted the guy almost $4k for a new rack and pinion, but Eric tracked it down to a rusty crusty body ground strap. New ground strap fixed it all and for a lot less than 4 grand!
Attorney General checking up on your honesty.
Eric, you are a definition of a great mechanic, diagnosing problems is where it’s at. Like the mechanic at the dealership takes eight hours. He was probably just inexperienced and you have the experience to him do your job and do it well, very impressed. I’ve watched your videos for a few years. And can’t remember a job that you could not figure out and fix.
I’m guessing they told him they worked on it for 8 hours so if need be, they get the $1500.00 but I figure it’s an hour or two of messing and said “to hell with a it”
Love the channel
Every single shop I've worked at, with zero exceptions has had a couple good techs and lots of parts installers. Possibly the wrong guy at the dealer tried fixing this one, now it came to a good tech.
This seems to be the case in all fields. It's interesting how much is similar in IT vs cars, just we get paid better and less mess. Honestly, I think if shops paid a decent salary and figured out how to make that work they might keep better techs, but no one wants to pay for skilled labor till they actually need it for something that's really otherwise near impossible to pay to replace.
It's also true that you've got a couple skilled people and a bunch of "run the automation" people. I think in the current setup (except IDK how the payment would work) the one way we've expanded our capacity is we get the checklist people to take a look and make sure none of the checklist stuff will fix it. This usually takes 15 minutes to an hour at most. Then we send it up the chain to someone who can figure out what the problem is or determine it's not fixable or whatever. Then the fix is either completed in working out the problem, or the proper checklist is identified and sent back to the checklist person.
Of course with software most of this is free aside from labor, so with cars you'd probably have to have separate diagnosers / good techs who can then dispatch the parts changer at the actual part that needs to be changed. Of course if you believe youtube, you can't set up a dealer shop like this because of the frankly insane flat rate system in use.
It's the ground wire in the door harness that IS intermittent, just not right now. They "fixed" it reinstalling the original part. I recommend a Fonzie.
Glad the owner bailed on the $1500 tab and brought it to you who knows what he's doing. Kudos once again Eric...!!
That's seems to happen a lot, makes me wonder why they don't just go to Eric in the first place? Maybe someone recommended him.
theres no way the dealer spent 8 hrs on anything without charging him. they just dont want to do older cars.
I also find it hard to believe the dealer spent 8 hrs with this problem and couldn't find the problem. You ask me the dealer just wanted to charge the costumer something, and let the car set to make it look like they worked with it. Like the other guy said dealers don't like working on older vehicles, because they usually are out of warranty, and no incentive to make repairs....
@@cassiuspuckett8789 actually out of warranty stuff is what the dealership wants to work on. Warranty jobs pay substantially less then customer pay jobs. However what dealerships typically don't want to fix is old rusty stuff, or any kind of electrical problem.
Says they cant fix it, **while staring off at the new trucks on the lot** 😂
Had my 11 sierra denali at the gm dealership for 4 days.. the tech tried claiming it was 100% power to rear wheels and fronts only engage when it detects slip.. I have no selector switch as my truck is AWD.. the transmission was in limp mode with circuit voltage high for shift solenoid B on the tchm.. the claimed the tech spent 6 hours and on it and can't find the problem. They then tried talking about how much it was worth to me to fix it rather then trade it in.. immediately I told the service manager I want my keys and I'm done with them.. they didn't charge me as it was obvious they only scanned the truck and printed some codes for me to see and them try to get my truck from me..
They hire morons fresh out of school and off the street because they are desperate for bodies.
If you have a monster green tool cart and a can of Bang in your hand, you're guaranteed a job at the stealership.
No legit techs want to be treated like shit at dealers any more.
Watching you found a parasitic draw. Worked on vehicles in the 80s a semi in a down pour at 3 am is why I stopped doing it. But your help got this old man to fix a problem. Thanks enjoy the videos young man
I’d be curious to see if the diagnostic flow chart for those fault codes mentions anything about doing a sensor relearn. If not, even though it is common sense for anyone who knows anything about TPMS, you’ll know why they couldn’t figure it out.
My experience with dealer techs is that their version of “diagnostics” is to briefly look at the diagnostics info, scroll to the end and see what part it says to replace and say that’s what’s wrong. When they reach the end of the list and there are no more parts to replace, the car is “unfixable.”
I once worked with a car company (which I will not name for legal reasons). The service departments at the larger dealers had one guy with a guarantee of x-hours who repaired the “hard” problems. If a smaller dealer couldn’t repair the problem, they shipped it to one of those guys before the buyback process was initiated. Whenever a new service manager took over, he would remove the guarantee to make more profit, the guy would leave, the quality of repairs would drop, cars got bought back, and the SM would have to grovel to get him back. In 8-years I saw that happen about 10-times. It was fun to watch. Not so good for the customer.
"Quality service is too expensive!"
"Why are we loosing money in service again??!"
Yeah, that guy used to be me, except I was paid hourly. I liked finding and fixing the actually hard problem. I got tired of fixing the fuck ups, misdiagnosed problems and the “hard problems that nobody could figure out” that should have been found and fixed in 20 minutes. Left the industry 2 years ago and never looking back. My next job _started_ $20k higher than I was making as a tech.
My 2005 Dodge Ram 1500 had the Lightning Bolt light on almost permanently from 3 months out from purchase.
They tried over 10 times to repair it. Sometimes, upon pick up of said pick up (pun intended) I would not even make it out of the dealership parking lot and the light would come back on! Talk about frustration! We got to the buyback stage and before that happened they wanted to give my truck to their best technician at the dealership. He took the truck for over a week for his personal vehicle. When I got it back it reeked of cigarettes and gas gage was on empty. But the lightning bolt light was off. Yay. Held for 6 months. Then came back almost everyday. So in the end, it was never fixed right. I always felt it was the ECM because everything else was replaced. They refused to change the ECM. I lived with the limp mode and annoyance for 15 years. Other than that, truck was great. 😢
, you probably got another customer.
@@jakebpau2396 I would have been Screaming at the Service Manager about the Tobacco Stench the Next morning with a Line of Customers waiting, and Demanding a very thorough Cleaning to get that Stench out. And I would be back a couple of Days after it was Cleaned, still screaming it stank, after about 6 or 7 more cleanings...
RCDLR. Remote Control Door Lock Receiver is what the 07-13 trucks use. Its the same module that operates the keyless transmitters. Its behind the trim panel, driver's side C pillar.
The dealer had technicians unfamiliar with this system, they threw parts at it, and didn't successfully do the relearn so the new receiver module never picked up the IDs of the four tire sensors. That simple. I'm a DIY guy myself and I have an older Autel TPMS tool that I use on my newer cars and do all of the programming myself now so the tire stores don't have to.
Never trust a shop that can't fix cause they never use the scan tool and just shoot the cannon😂
I think the great disparity between the 65lb tire and the lower tire pressures was triggering the system to turn on the tpms light. Holy cow! Just check your tire pressures manually every week or two. Super video however (as usual)!!
Silly you,
Asking people to actually maintain a vehicle..
People won't even check their oil until the dash starts blinking.
No, you can see the sensor IDs in the module at 1:43 are different than the ones he triggers as he goes around the car.
That’s what I thought as well, but the commenter who brought up the mis-match on sensor ID’s is worth exploring.
My 08 Jeep displays the tire pressures on the info display. It even monitors the spare. You'd think a 2011 vehicle would display the pressures for you.
It's depressing to hear all the stories where the dealer just gave up after draining someone's credit card, and sometimes leaving the vehicle in worse condition.
A $150 bill was lucky for the owner.
They are lucky they got you guy. Some of the channels I follow have so expanded my horizons, so that the last tool to reach for is the credit card.
And the first tool a schematic, subscription, or factory service manual.
Thank you guys.
I have always read that the service end was the profit generator of a dealership. How can they continue to field an untrained, unknowledgeable force and stay in business?
I guess because they are the only game in town. Have a great thanksgiving feast.
Because people with money just take it to the dealer and "write the check" and don't question the service. People without money go elsewhere.
A $150 bill was lucky for the owner? That's way too much for nothing.
Why was the dealer entitled to anything? They didn't fix the problem, couldn't diagnose the problem. Here's your car back the way you brought it in. Now pay me $150.00. I would've taken my car and paid nothing. Let them take me to small claims court.
@@nobodyhome8148I'm pretty sure he got 4 brand new tpms sensors out of the dealership
How does being lied too and scammed out of 150 $ make him lucky ? They would not just eat a 8 hour diagnostic fee plus the cost of the module the supposedly replaced ! They ripped him off ! They would not just take a 1,000 $ loss !
I think you said what was wrong.... dealership removed the _inoperative_ door module and customer declined repairs reinstalled _inoperative_ door module (@5:37) and functionality returned to the key fob, meaning that there was a dirty/ bent or pushed back pin connection to the door module. The dealership never tried then to program the tire sensors again...
You do some great sleuth work ferreting out electrical gremlins, the videography is spot on and the scripting, editing and subject matter is always on point..
Thanks for the ride along it satisfies me missing turning wrenches myself after I retired. :)
Eric, over the years I have run into this numerous times. Since the problem did not occur while you had it I would suggest conferring with the customer about any "add on devices" that were not present while you had it. I have had things like blue tooth transmitters, Insurance company and diagnostic dongles on the OBD connector etc. cause this problem.
I once had a customer with an intermittent no crank/no start every 3 to 5 days that would miraculously be resolved once towed to the shop. After several times I told the customer the next time it happens, walk away, do nothing and call me. Once I got there I found an "Insurance dongle" plugged in. I remove it, powered down for 5 minutes and the car performed flawlessly. Told the customer to leave the dongle out and what do you know, problem never returned. Insurance company reimbursed the customer for the inconvenience.
🙂
And what did you get paid for your time and knowledge??
Agree with most of the comments.
Most dealers have one decent mechanic and he is trying his best to keep the shop running with what he was given.
One of the things I like about my 2016 KIA, is that the TPMS pressures display on the IP for each wheel and it’s location, and it’s tied in with the antilock brakes, electric power steering, and stability management, and because of that has the logic built in to be able to determine when you’ve rotated the tires and recalibrates for the new location of the tpms sensor on the new corner of the car it’s now on.
Your Gulf Ball Cap , brings back memories of the 60’s & 70’s , thank you , S.M.A. LLC .
Experience and wisdom beats a dealer every time.
Engineers will change the bulb, rewire the outlet, change the breaker in the panel and still scratch their heads. You, my friend, will simply turn the switch to the on position. You are very thoughtful with regard to "stealerships" in your commentary. Thanks for another great video.👍
Wow! Could it be that trouble-shooting skills with the next generation of mechanics is becoming a lost art? As always, great video Eric! Thank you for the content.
That's 100% correct. Troubleshooting is becoming a lost art.
“…with the next generation of mechanics…” 🙄 Maybe the current and previous generations should do a better job teaching, then.
We tried. And we tried again. And instead the bankers and politicians decided to close all the trade schools and that everyone should go to college because it's more profitable for the 1% to do it that way.
Had a similar issue found way over pressure spare tyre which no one tumbled for a while but not a number of years.
Former Chevy Dealer Mechanic
I'm not sure if it's relevant, but the dealer most likely uses a different method to learn the sensor IDs to the module. They put the vehicle in learn mode and then trigger each sensor in order with a handheld radio tool. It's possible that the vehicle has a problem somewhere in that process that doesn't show up when you do an OBD2 relearn.
The GM dealer began with the hi tech and forgot about starting with the low tech. Nice fix and a happy Xmas for a lucky customer.
It looked like the original tpms that you read out was the original sensor codes. After you went around and read each tire sensor it showed a different sensor code. When you initiated the relearn sequence the new codes went in. the dealer never relearned the new sensors. So the truck was comparing the new sensors to the old data, hence throwing up the error code.
The owner said it's been like that for years. I wonder if the previous owner installed new sensors and they just were never ever relearned or if it was a winter/summer tire swap
Doesn't matter...any so called Technician should be able to do a relearn.
The term is vaso vagel, when a doctor can't explain the reason for a condition that's the term they use. You are the doctor of vehicles and this was your vaso vagel moment lol. Keep up the great work Eric, love your videos.
Thank you for another video. I learn a lot from you. I knew nothing about cars no lie until I started watching you years ago. I was able to fix my own vehicle a 2000 Ford Mustang battery kept dying….after watching a video you did on parasitic drain I was able to pinpoint. The problem was the aftermarket radio that someone put in just wanna say thank you.😊.
Eric. I’ve had a mother lover of a time with a 2011 Tahoe at the shop. TPMS, just would NOT behave. Wore out some patience’s around the shop. Prayer, patience, back to step A, and son of a bisquit, put her in learn mode,then one at a time, deflating until hornchirp, at all 4 corners, got the double chirp after L/Rear, turned key off, aired up to fac. spec. And !!!! Hallelujah! Son of a bisquit eater! She was back in action. Oh happy day. I will never forget that truck, and still don’t understand why. I wrote down the recipe and put it in the glove box.
I think you did a good job. Sometimes people miss the most obvious things.
Look at the bright side. Owner got it fixed for far less than $1500.00, we got to see the video, (Thanks SMA), the rest of the truck is set to go. Another old truck rolling down the road. No substitute for good honest workmanship. Love the videos.
Really interesting. Similar issue with 2010 Roadtrek class B RV. On 3500 Express chassis. All wheel sensors replaced with Delco about a year ago with new tires.
While on recent trip lost comm with RF sensor. I figured things happen so we replaced it at DT at no cost. A few days later lost comm with LR sensor, also had it replaced. But the tire guy couldn't seem to get the system back online so I left with inoperative TPMS - zilch at all wheels.
The receiver lives in the dash so I couldn't access it on the road, but it also works the remote locks. No problem with those.
When we got back home I first used my cheapie sensor rekeran tool, all wheels responded, no more TPMS light.
I then used a scan tool to look at the TPMS, all 4 wheels showed exactly what you found, pressures showing, in learn mode with van stationary, and all sensor batteries ok.
After a few days of driving the TPMS is still ok, but I'm waiting to see what happens. Never really figured it out unless the CANBUS back to BCM has an intermittent issue - my wild guess right now until further failure happens.
Great job a diagnosis this tire pressure sensors ! Keep up the good work!
It is SILLY that the dealer couldn't fix it, Eric? No, it isn't silly, it is a fact! Those mechanics probably couldn't get off their phones long enough to even take the time to diagnose the issue. (For which, I understand they don't get paid.) This brings back fond memories of the 2019? Suburban/Yukon? that you worked on, Eric. There was an entire list of components that the dealer said needed replacement and you diagnosed a bad ground and had the customer driving home in a matter of hours. I walked into our local Chevrolet dealership and saw everyone on their phones recently. It was recently sold and the new owner introduced himself to me at the parts counter. The name of the dealership is "Royal Oaks Chevrolet." I told him that locally the dealership is known as "Royal Jokes Chevrolet." He replied, "Yeah, we are trying to change that." I looked around at all those people on their phones and said, "Yeah, right." GREAT VIDEO!
Hi, Mr. O. It is obvious, isn't it? The Chevy just misses the great auto detective. Thanks for sharing! Stay Healthy!
Dealer tech blew it on this one, Eric to the rescue.
The road tests are the best part of these videos as far as I'm concerned. Looks just like the scenery in my town, about 90 miles East of Avoca.
Dealers like to brag about being the "experts" when it comes to making repairs on the products they sell. Nothing could be farther from the truth.
x = unknown quantity, spurt = drip under pressure so there you go.
I'm looking around the shop here.... Nobody here would ever claim to be an expert. In fact, the less the tech knows, the more he/she can make. I've learned to dummy up after 48 years of dealership life.
That's my nightmare, LOL
Totally agree
@@scrappy7571 You're a special guy....It took me 10 years to figure out working with sad, unmotivated, melancholy whiners was not my cup of tea.Not every employee, but far too many with bleeding Roids and bad attitudes
To say nothing of the ridiculous management like a revolving door
The Honda people threatened to yank the franchise from CSI being so low
Eric and the magic touch fixes another one !!! Great job sir .
I agree Eric, it’s the dealer, they should know the car in and out plus they should have a master mechanic he or she could of helped diagnose the issue
If it's an '11, it's older'n half the mechanics working in dealerships...HS shop ->"wyotech" degree -> dealership, "paper know-how." Can't find the bolts on the intake ...
Eric, you just fell into that bowl of roses! That customer will think you are a genius and return for all his work later on.
We had a local dealership (not saying which one) that had all of their mechanics and service managers quit in a two week period. I still don’t think they are back up to par. Just because it’s a dealership, doesn’t mean they have good mechanics.
As a former Mac Tools distributor back in the eighties, I found all kinds of levels in mechanical aptitude and believe me I found just a handful of mechanics that knew their stuff. And it did not matter whether it was a dealership or an independent garage.
Because even if it’s the truth you can’t just say it these days without being sued. It’s not worth putting myself in that position just to put in my 2 cents worth.
I articulate what I want, when I want. I don’t go looking for fights but if I’m backed into a corner I will. I choose my battles carefully. I don’t see a reason to get into one with a dealership just because someone else is curious. I have a right to express myself or not. It’s my freedom to exercise as I see fit.
Amen to that
Eric O, your meemaw told me about weird TPMS issues. Some CELLPHONE CHARGERS (especially the cheapo ones) will put out RF interference which will make the TPMS system error out. Another thing to watch out for: aftermarket RADIO HEAD UNITS.
If I had to guess this is probably just a case of the bad connection they unplugged it and plugged it back in multiple times making better connection and never try to relearn it afterwards evident by the remote door lock starting working
Absolutely, probably some corrosion on the module connector pins.
@@stevea6722 RIght, after seeing how many cars Eric fixes that the problem turns out to be "the green crusties", the salt belt and the money shot of "There's your problem lady!".
I wonder if the module is somewhere where the plug or connector got dirt in it.
Man, I work in a tire shop and it amazes me with some vehicles how tedious it can be. For the most part, it's a 5 - 10 min task to relearn the tpms system like that one was. I can not stand lazy techs, and it looks like that dealership has a few, or they lack the basic fundamentals of diagnostic abilities. Good on you for straightening this simple mess out.
I'd bet that the old receiver module in the door they took out and put back in just had a bad connection; possibly a wire shorted to ground through a wire pull (hole) or just a bad pin in the connector? When it comes back, that's what I would look for. Seems like the GM dealer inadvertently fixed it by taking it apart and putting it back together.
Could of had some moisture in the connector to the module causing some corrosion on the pins.Unplugging and replugging the module probably fixed the problem.
Not likely. If you look closely, the diagnostics screen shows different sensor ID's. I'd be willing to bet the previous owner installed new sensors and they simply never were learned to the vehicle. He maybe had different winter/summer wheels
@@rfrbz1269 and how do you figure he did not have a working system for half of each of the 2 years he said the light was on?
Dealership are incompetent at best😂
It is called lack of training.Mechanic finds a repair for a major problem.Nobody informs the other mechanics of the diag and repair.This is lack of training.@@wendwllhickey6426
That is the worst kind of problem to have. The intermittent ghost! You did all anyone could have. great job! Ed Hicks
The customer probably figures he's way ahead now! Paid you to get the job done right and saved himself $1,500 bucks! I bet the Dealership never made a follow-up call to see how it was going either! Wishing you, Mrs. O and Family a Happy Thanksgiving. Thanks for Sharing!
An easy fix is still a fix . Good job Mr O.
They probably had the oil change guy add air to the tires and ship it down the road 😊
Oil change Technician...as they are called. I heard it's hard to change oil by yourself. You got to have a fancy title first.
Eric, this challenge is something you take on in full force. Don't give up like the dealer. You are capable of root causing these things. I look forward to a Part 2 resolution.
Most dealerships look at the TPMS as a rookie job, or even a pencil pusher can do it, I’m sure there was a hand full of people on it and not one of them knew what they were doing. My truck spent three days at the the dealership for a regen and they still couldn’t get the limp mode to go away, unless I spent $9k on a whole new exhaust system, you know how that ended, like screw them, I deleted the truck for under $2k.
If you would have let the dpf soot level get to 90% the truck will automatically regen while you drive. You don't have to have a dealer do it.
@@mikeday8826 There's an intermittent issue with these, if they limp mode wont go away after a successful completed parked regen, you have to reflash the PCM. Cummins too, we had a truck broke down on the side of the road due to watered down DEF they got at a truck stop (never do that, buy known good DEF and only use from a sealed container). We drained all the DEF out of the tank, flushed a bit with new, and refilled with new 2.5 gallon bottle. Did parked regen, still nothing. Had to call Cummins tech support and they said it's a bug in the programming, and the set code won't go away. Reflashed the engine controller with the exact same calibration, and the code went away, and no issues since.
Delete is another option, but it's technically 'not 50 state legal' so YMMV.
As far as why would need to reflash the engine controller with the exact same existing calibration, is beyond me. The only time I've done that is if there's an updated calibration available, or a new calibration has bug fixes for a known issue. I don't like reflashing Cummins computers, there's always a small risk involved if the re-flash process is interrupted and brick the ECM. That's why I use only a laptop with a charged battery, eliminates the risk of a brief power outage crashing the PC. But after spending an hour on the phone with Cummins, that's what they said to do. Yes this particular truck is due for a new DPF, but it's still working ok, have one in stock, just haven't had the time to swap it yet. One problem is it takes so darn long for the exhaust to cool down, to get it apart.
I highly recommend the Durafit brand of aftermarket DOC's and DPF's. Made in USA and seem to be as good or better as OEM, and the cost savings is significant enough that its better in the long run to just replace instead of wasting time getting it "baked". Baking or heating a DPF does not remove the ash buildup, ash is already burned so it can't be burned further. Ash comes from the small amount of engine oil every engine burns (can't have perfectly dry cylinders especially with ULSD), so it accumulates over time.
Another case of the dealer ship giving customers the reach around, absolutely rediculous, if everyone in your area knew how good you was, let dealership set an bring the vehicles to you, because your honest, thanks for sharing eric
No doubt in my mind that Eric will figure this and have it fixed in an hour or two.
Never go to the dealer first most of them are just part changers and poor diagnostians.
It’s not the mechanics usually, it’s the service manager deciding how much money they can earn,or not.
"Mr. Reed! Arm the forward Parts Cannons and stand by!"
-- Capt. Archer, "Enterprise", the Lost Auto Parts episode
In this case it was more like 10 minutes.
Not all dealer techs are parts changer and poor diag tech. Although I have seen a good share of bad techs during my 37 years at a dealership turning wrench, I have seen a large share of tech whose took the time to do it right. I was also one of those techs that got the problem child cars as no one there would take the time to figure those problems out.
*Diagnosticians
You just got that Napa know how Midas touch ! You are the Auto Whisperer !!
They didn't fix it because they didn't want to fix it, a lot of dealerships are trying to push people into buying a new vehicle by acting like what's wrong either cannot be fixed or would be too expensive to fix, so why not just buy something new from us to drive and save the headache. Meanwhile they don't even look at it to see what is wrong with it.
👍Who’s going to buy a new car just to avoid a TPMS problem?
@@michaelnomura5196There’s a surprising number of people that will trade in a car and get a new one over $1500 in repairs. Obviously this one didn’t actually need those repairs at that time. But, that’s what the dealer was trying to tell them.
"too expensive to fix" meanwhile a new Silverado Z71 runs you in excess of $60,000. Or you could get the base model with a damn turbo 4 cylinder. Don't get me wrong, a turbo 4 in a car is great. In a truck I'd rather have an inline 6, optionally with a turbo, or an NA V8. Or a turbo V8. Or a pre-SCR turbodiesel V8.
@@lsswappedcessna It's dumb, but there's lots of people that only look at the monthly payment. To them a $600 a month payment is the cheaper option than $1500 to fix an old something now. All they see is a shiny new vehicle for only $600.
This guy I've watched for years is always on point with trouble shooting yeah dealer lets pay south main auto to fix it for us and tell the customer yeah we fixed it 😂
Whatever happened to just checking your pressure with a tire gauge?
The Firestone Ford lawsuit!
Government.
Oblivious people
That is the first thing that I would have done, and then compare the real readings to the TPMS.
The Bridgestone/Firestone fiasco of the late 1990s. Hundreds of people died when they didn't maintain the proper inflation of the tires of their Ford Explorers. Tires ruptured at speed, and people died in the resulting accidents.
The problem was people not maintaining the pressure in their tires. The the families of the people who died, and the blood-sucking lawyers who went after Ford and Bridgestone, didn't care it was their own fault.
This resulted in the TREAD Act of 2000, which required vehicles to have an indicator light if a tire was not at the proper pressure. And so here we are, with more naggy things on the dashboard:
- oil pressure warning
- seatbelt warning
- engine temperature warning
- tire pressure warning
And then around 2002 a handful of kids got run over as parents were backing out of driveways.
This resulted in teh Cameron Gulbransen Kids and Cars Safety Act of 2007, which requied all new vehicles to have backup cameras by May 2018.
That is what happened with just checking your pressure with a tire gauge - they didn't and they died.
I had this same problem with both the FOB and TPMS inop in my 2008 Chevy . I replaced the RCDLR module the 07-13 trucks use for both features (each uses a 315 Mhz signal) to no effect. Ended up being a broken / corroded/ intermitent wire connection under the drivers door sill that powered the RDCLR module. Driving on salty roads and my big boots allowing salty water to infiltrate the area was the diagnosis.
I know on some of the old passive TPMS systems that they didn’t have a specific tire pressure set, they simply looked at whether or not the lowest tire was drastically lower than the highest tire, if you set them all to 32 or to 40 then it would stay off, but have one at 30 and one at 40 psi and it would go off even if they were supposed to all be 30.
I work at Toyota. We have an OEM toyota tpms tool that works 75% of the time. I myself had run into the issue of a tpms light flashing (sensor/module issue) and ended up calling the module when the tool just was not communicating properly to the sensors installed to the vehicle. Since then we have introduced autel and würth tpms tools to try different options before getting deeper into a diagnosis.
I think the GM dealer was just trying to give you content to make.
That's funny. 😂
I have learned alot from Mr.O something like this was overlooked by the dealer tech. It happens all the time at dealerships biggest problem is no one is held accountable. They pick and choose there battles its the new era of dealerships.
You always do a great job, Eric. I can not imagine the dealer would not have attempted a relearn because it's simply std procedure. I would suspect there is an intermittent issue with the communication integrity. Although, if so, it could be anywhere. I would first suspect the wiring or connector of the module the dealer replaced. Perhaps moving things there, in its self, could have temporally corrected a connection issue. However, this is one of those jobs that you can only do so much and you sit back and hope for the best. If the truck comes back perhaps there will be evidence for a better direction to the problem. Thanks for sharing your experiences.
Hi ERIC ,After looking at YOUR video ,i realized MAYBE i should READ the instruction booklet that came with THE SHOPS TPS tool.And the 1st thing it said was to CHECK the 9 volt battery.It's then that i found the ISSUE.NOBODY here has a Phillips screw driver that small,and so they just couldn't change the BATTERY.WE got the secretary to go online and just BOUGHT a new TPS reader with a fresh battery.OUR issue is now resolved.haha
Dealer Tech wasn't too bright, and likely wasted an hour, but managed to restore the FOB by unplugging and replugging that Module. So the Dealer claimed they threw $1500 at it, but they would be nice and waive it, if he give them $150 and would go away
"Now go away, or I shall invoice you a second time!"
-- Monty Python and the Holy TPMS
It's "fob", not "FOB". It's an actual word, not an acronym :)
65lbs of pressure on one tire compared to 30 something pounds of the other tires would be the problem. The tire pressure would have been the thing I would have checked, I may not have scanner but I can read the tire with the recommended tire pressure/limit indicated on the sidewalls of the tire. Great Video as always.
If the story is true then those dealership techs are going to be so embarrassed when they watch this video.
Not really, they got rid of the problrm😊.
Nah, they have no shame.
If the dealer mechanics were regular watchers of this channel, they would have been well enough educated in diagnosis to have fixed it in the first place.
The only thing the stealership cares about is that they lost out on the commission for selling the new vehcile, they didn't actually care about the vehicle to them it as a means to an end in that had they managed to convince the customer that it was the big scrapyard in the sky time they might have gotten a sale out of it.
Most stealers have no shame the best comment I ever read was about a guy who asked should he take hs car to a stealership to have the air con looked at, the advice was use an independent garage as they will have a good look before the stealership even figure how to get the hood open.
Nope, they got rid of the crappy non paying job.
Some times we get lucky with simple / fast solution, not necessarily need to get worked up over why, thank you
Long story short customer charged $150 and they didnt even mess with it and stole the $150 i bet
Dealerships shouldn't even have a service department. They don't care about fixing (use that term very loosely) cars, they just want to sell the overpriced POS's.
You're still THE MAN though Mr. O!
I've only owned one vehicle with TPMS, but why do some make it so difficult? It seems like everyone should adopt the drive a mile or so and the car figures it out by itself system.
There has to be a pairing process, so the TPMS computer ignores non-paired signals out in the world. But yeah, it needs to be simpler.
There's another similar system that measures differences from wheel.speed sensors. Low tyre pressure = wheel spins a bit faster.
Not as exact as the individual sensors inside tyres, but good enough to catch a puncture before the tyre blows?
The whole thing sounds like a pain. I just check with a quality pressure reader every few weeks. I'd be super annoyed at a warning light glowing for something so silly like a malfunctioning TPMS.
It probably has a lot to do with copyrights and patents
@@MattExzyThey had to start going to some sort of tire monitoring system because with run flat tires and most modern tires having stiff short sidewalls the tire can be dangerously low on pressure and not actually look very low.
Stealer-ship: We worked on it for 8 hours......LOL
Eric O: I reprogrammed the TPS, added air to the tires, took it for a rip and life is good once again!
South Main Auto to the rescue!
What do I think? I think that vehicle had heard about you and was scared of you, and when you started working on it said 'yes boss', but had already hear of the dealership and was 'flipping the bird' at them. 😁
INCOMPETENT DEALERSHIP, the guy needs to go back and get his $150.00 back. Sad there's so many crooked people in America. Or the mechanic is INCOMPETENT. Your the best Eric. 5 mins and you proved the dealership wrong.
Is it believable (8:28) that the two front tires (35.39) and the two rear tires (35:97) had exactly the same pressure to 2 decimal places?
I wondered that but then noticed the numbers were going up in jumps of 0.58 psi so just a low resolution pressure sensor value being converted to PSI for US market.
I think it is down to the resolution of the analogue to digital converter: it may only be 8 bits which means the 0 to 80 psi is divided by 256 so the resolution is 0.3125 psi. It would be better if the programmer has reduced the displayed value to 1 decimal place.
244000 Pascals is 35.389 psi, and 248000 Pascals is 35.969 psi.
I'd lay 20$ on the TPMS transmitting in 1000's of Pascals being converted to 2 decimals of psi. (Meaning they're really only +/- .15 psi to each other, which is slightly more believable)
Or maybe Eric is just that good!😉
@@chrisprocter9177 Nicely worked out.
One thing I know for sure, is if you have way too much air in a tire, the TMPS system will go crazy. Mine did that and I found out that the dealership had put 59 lbs. of air in a tire that is supposed to have 30. As soon as I let the air out of the tires until it reached the correct pressure, the system work as it should. The dealership couldn't figure mine out either. I ended up doing it myself.
I have seen that before, as well. Not as often on trucks, though, since they're expecting up to 80psi
Sometimes that happens to me. Others cannot fix it then I just do some basic crap and it works.
suprised the dealer actually didn't want all the money.
They were embarrassed and just wanted the problem to go away. The owner of the dealership would have been pissed off if the customer made a stink and it got press that his dealership mechanics couldn’t fix a simple problem.
@@Soothsayer-rs5nb Yeah the dealers live on repeat business. Push away one customer you lose him forever, and miss the chance he/she will eventually need a new vehicle. Being an '11, and in the PRNY, and a GMC, they're going to need something new(er) pretty soon.
I appreciate you for showing us your skills and how you fix hard to find shorts and diagnose major issues 💯
If I can do it, you can do it but the dealer cannot do it.
😂
Possible that the RCDLR was locked up, only RKE functions were operating. Removing then installing the module reset it. One other factor of unsuccessful tire sensor learn procedure is the park brake is not set, switch isn't showing a closed status in data. Nicely done! Gained a customer and a good review from them!
It must have been the incorrect seasonal air they put in the tires. 😮😅
I wonder if the RCDLR was logic locked, that would explain remotes and TPMS not working and power cycling/unplugging the module fixed it. Maybe that's why the remotes worked after installation.
Yeah but you sure would have hoped they would have recognized that. Just seems weird to me is all.
@@SouthMainAuto Yea, its a chevy, cap drain is step 4.
65 PSI???? weird,,,
I think you are the man
GMC Thunder
8 hours and nothing fixed?! Dealer? Yes, it's possible!