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Barometric pressure problem?

Gibbons025

By Gibbons025
in Troubleshooting & Recalls

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Gibbons025 Enthusiast

Gibbons025

Posted
Posted (edited)

My wife and I got this truck ( 2014 Chevy LT 4x4 with the 5.3 ) about a week ago , check engine light came on. Took it to my dealer and they said the Barometric Pressure Sensor went bad and replaced it. Tonight we got the same check engine light and on-star said it was the same problem as before. Any ideas here ? Thanks for the help.

Edited by MotoMedic
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MikeNH Senior Enthusiast

MikeNH

Posted
Posted

Sounds like the dealer didn't properly diagnose something. I'd be curious to the exact code but honestly I'd just bring it back and hope they do a better job this time around.

Gibbons025 Enthusiast

Gibbons025

Posted
  • Author
Posted (edited)

When I talked with the service manger he said he had to take this one off another truck, I hope they can get it fixed. Other then that it's a really nice truck and very comfy.

Edited by Gibbons025
pm26 Senior Enthusiast

pm26

Posted
Posted

Generally not a big problem. Perhaps instead of the sensor itself it could be the electrical connector or the wiring harness itself. The engine ECU requires certain voltage feedback from the sensor and if it is outside of the established limits it will throw a code. So if there is high resistance in the wiring, this will result in voltage drop that can throw a code. Just another possibility I guess.

GMCustomerService Senior Enthusiast

GMCustomerService

Posted
Posted

Hello Gibbons025,

I'm sorry to hear about your repeat concern! I would like to look further in to this. If you'd like my assistance, please private message me with your name, phone number, address, involved dealer, VIN and current mileage. I hope to hear from you soon.

Thank you,

Andraya R.
GM Customer Care

Gibbons025 Enthusiast

Gibbons025

Posted
  • Author
Posted

Thanks Andraya R I will message you. Dealer told us that it's some type of eletrical problem and will require re doing something to the motor , they have no idea on when the parts will be in. Truck has less then 500 miles on it. We have always had great dealer support.

pm26 Senior Enthusiast

pm26

Posted
Posted (edited)

Truck has less then 500 miles on it.

Not even broken in yet.

Edited by pm26
  • 2 weeks later...
Gibbons025 Enthusiast

Gibbons025

Posted
  • Author
Posted

Update on my issue. Dealer could not get the one part they needed to fix the issue so they had to order an entire harness for the front end motor. Should be done tomorrow. GM has made contact with me and I am pleased how they are taking care of this , I just hope this fixes the problem.

Hootbro Enthusiast

Hootbro

Posted
Posted

Update on my issue. Dealer could not get the one part they needed to fix the issue so they had to order an entire harness for the front end motor. Should be done tomorrow. GM has made contact with me and I am pleased how they are taking care of this , I just hope this fixes the problem.

 

 

Just me, but I would make sure they just scab off the part they need off that new harness rather than them change out the whole harness. You run the risk of them inducing more problems if they decide to change out your whole harness rather than just swap out the sensor.

  • 2 years later...
Asmith721 Enthusiast

Asmith721

Posted
Posted

Was driving today and the same issue popped up, called my servicing dealer, naturally they close at noon and i called at 11:45. Soonest they can get me in is Wednesday. Went to the local O'reillys and had them pull the codes stated the Intake sensor and barometric pressure sensor were the cause. Engine seems to be running at almost high idle. Kinda annoyed that this is an issue on a newer truck, I got 30,000 on it but I cant imagine this should be a problem already. Hopefully this isn't how the foreseeable future is going to go as wel

  • 5 years later...
Ahumada520 New Member

Ahumada520

Posted
Posted

Asmith721, wondering if you ever got the code fixed and what did you do,  been chasing this for 2 months now changing map/baro sensor, maf sensor, air filter and it still says the same thing. 

  • 1 month later...
Forsaken132 New Member

Forsaken132

Posted
Posted

Fighting a p2227 and p2228 on a 18 silverado 5.3. Ive replaced both map and maf. Does anyone have any insight. Also getting a reoccuring p0340 not sure if related other than through the 5v1 circuit...thanks

 

  • 1 month later...
  • 1 year later...

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