How to Fix a P0299 Code (2014 Buick Verano)

Had a 2014 Buick Buick Verano with a 2.0 LHU Turbo come in the shop with a P0299 Underboost code. Fixed it with a wastegate actuator solenoid instead of replacing the turbo. The GM part #12657023 is what I used to repair the car. Hopefully this helps someone out and saves you a few bucks. :)

[@GrizzlyPaw505]

This is the best video on UA-cam for our motors lol

[@jeffboe357]

Excellent work. Thank you for posting

[@shadetreemechanic9924]

Of course glad to help

[@AlazarAnbesaw]

Always change the oil feed line. Oil builds up and restricts flow and will kill the turbo. Its a cheap insurance IMO.

[@Jay.G_]

Is the performance of the vehicle affected with this fix compared to if the turbo was new? I know it might be a dumb question but I’m just trying to figure out

[@shadetreemechanic9924]

Well if there’s something wrong with the actuator solenoid basically it’s keeping the wastegate open which isn’t allowing the turbo to spool up like it needs to so yea performance is definitely affected if your solenoid is bad.

[@turboman351w3]

hey brother i have a 2017 buick encore code po299 , can i just replace the wastegate vacum soloniod first to see if that ficks the problem, the car threw the engine light and it started to spit and sputter just a tiny winy bit thats it but still drives ok but just spits and sputer a little tiny bit.

[@shadetreemechanic9924]

I don’t think it would hurt to try. Especially since it’s 1/10 the cost of a turbo. You can check to see if it’s bad how I did.

[@jwill9223]

How did you resolve your issue?

[@Mmarkiewi]

I have the same issue! Any updates?

[@DEEW522]

So did u change the whole waiste gate too or just the solenoid

[@shadetreemechanic9924]

Just the solenoid

[@deshawnjelks405]

Is it the same as 2011 Buick Regal turbo? Engine size that is

[@shadetreemechanic9924]

Both the Verano and Regal have 2.0 turbo options and 2.4 na options👍🏼

[@deshawnjelks405]

Thank you 😊

[@malikw65]

Can you tell me the name of the parts I need I have a 2015 turbo

[@shadetreemechanic9924]

@@malikw65 part number is in the description sir.

[@jonomano3992]

On my 2013 regal 2.0 Turbo, it just went away 😵‍💫

[@shadetreemechanic9924]

So you fixed it?👀

[@jonomano3992]

@@shadetreemechanic9924 😂 guess so, she pulls fine and runs great 😂

[@shadetreemechanic9924]

@@jonomano3992 good to hear!👌 less expensive than a new turbo that’s for sure

[@cjohnson6820]

I have 2013 Regal Premium Turbo, I have a Bluedriver and can clear the Po299 code it comes back on though every time, keeps putting me in limp mode. So you just followed the videos directions and your code went away?

[@jonomano3992]

@@cjohnson6820 nah man, after I pulled the intake lines I wiped some excess oil on the intake mouth of the turbo, then I cleaned the airbox out and cleaned the air filter with a vacuum. Checked the turbo and looked for damage and loose bearings, or loose spinning etc, wiped the solenoid rod off just in case.
Then it just kept reoccurring when it gets really hot out, I usually just give it a day or two and don't push her and it goes away. Whenever the po299 code pops it's always over 95°f out.

[@aguillot1984]

Wastegate solenoid is the part?

[@shadetreemechanic9924]

Yup part number is in the description if needed