Diagnostic Trouble Codes | 1st Gen Cummins
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- Опубліковано 13 лис 2021
- Today I show you how to read the diagnostic trouble codes using your ignition key and the check engine light. These trouble codes can help you diagnose some issues in these old trucks. I go over the details of what the factory PCM controls for inputs and outputs plus I show you some issues I'm having with my factory PCM in my red truck.. I'll be doing a deep dive to see if I can resolve the PCM issues in my red truck.
Stay tuned for more videos!
11 Timing belt skipped 1 tooth or more from initial learned value, Intermittent loss of either camshaft or crankshaft position sensor, No crank reference signal detected during engine cranking
12 Direct battery input to PCM was disconnected within the last 50 key-on cycles (normal)
13 No change in MAP from start to run
14 MAP sensor voltage too low
15 No vehicle speed sensor signal
17 Closed loop temp not reached or engine cold too long
21 02s sensor problem (oxygen sensor), upstream or down stream
22 Engine coolant temp sensor out of range
23 Intake air temp sensor out of range
24 Throttle Position sensor out of range
25 Idle air control motor circuits, target idle not reached (+/- 200),vacuum leak found
27 Injector control circuit
31 Evap purge flow monitor failure or evap solenoid circuit
32 EGR system failure
33 A/C clutch relay circuit
34 Speed control Solenoid circuits
35 Rad Fan control relay circuit
37 Torque converter clutch solenoid CKT or park/neutral switch failure
41 Generator field not switching properly
42 Fuel pump relay control ckt, Auto shutdown relay control ckt, No ASD relay output voltage at PCM, Fuel level sending unit volts out of range, Fuel level unit No change over miles
43 Multiple/ single cylinder misfire
44 Battery temp sensor volts out of range
46 Charging system voltage too low
51 Fuel system lean
52 Fuel system rich
53 Internal control failure
54 No Cam signal at PCM
55 End of error messages (If you get this only, no errors were found)
62 PCM failure SRI mile not stored
63 PCM Failure EEPROM write denied
64 Catalytic Converter Efficiency Failure
65 Power steering switch failure
Tyler,
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Thanx for another great tutorial with appreciated detail. Between you, Tim and Duddy. The 3 of you are making my crew conversion. Sooooooo much easier with all your great "Details" that I will need as the crew starts to go back together. I'm "Officially" at my 1/2 way point at my conversion. My good welder friend is coming over Tues. To look over the frame z-cut stretch and let me know when he can come over weld it together for me. Then it's all down hill and more funner video's. Thanks Tyler for your avid enthusiasm for these trucks and your channel. Thumbs Up !
Thanks for watching Ron I appreciate your support. It's a hobby for me and keeps me occupied.. looking forward to seeing your next updates. Cheers.
I got a 95 4x4 and I having problems with the cruise control doing weird things . So I use this procure to see if I can help fix it . I about at the point to just buy a aftermarket unit and by pass the pcm . I already bought a rebuilt pcm from Dodge a few years ago when the truck was have all kinds of problems that was fixed with the rebuilt pcm . Thanks for the video
Good luck fixing your issue!
Subscribed 💪💪👍
Thank you!
So I have a 1990 dodge ram d150 and it’s a 5.2L and I found out it has 3.9L throttle body and injectors in it if I just change the fuel injectors should that fix the issues or would I have to change whole throttle body. Cause it looses power and acts like it’s not getting enough gas
Which service manual are you posting those pages from?
Isn't check engine light to rhe right of the cummins lettering where your other warning lights are lighting up? Possible lamp out for it?
Check engine light is in the gauge cluster on the left bottom
You still repairing pcm’s
Computer in a 1990 Cummins D250?
Don't think so.
All dodge trucks from 88 onward have a very basic ODB1 computer system for fuel injection and rudimentary diagnostic. You're probably thinking ODB2 which didn't become standard until 96
@@davidkroondijk9365
Uh... I'm actually thinking NO COMPUTER. There isn't one in my 1990 Cummins.
@0311catfish yeah I i was mistaken the gas rams got computers in 88 my 88 ramcharger 318 has a computer but the diesel rams didn’t have computers until 92
51??????????????? WTH?????????????? why not, idk, like 6 or 11???? 51!!!!!!!!!!!! ha!