dtc

  1. T

    Airbag light B0081 code

    I have a B0081 code, erratic signal. I cleared codes still there. Changed the sensors in the RF seat and it’s still there anyone has any suggestions on what to do in this situation?
  2. ZDR1987

    2014 Denali P2127 P2138

    Please help! I have a 2014 denali 6.2L DTC p2127 p2138 Driving along and for no apparent reason my service trac control, service stabilitrak, and reduced engine power come on. It shows the 2 DTCs above. I changed the pedal pos sensor, didnt fix it so I thought maybe got a bad part and changed...
    • ZDR1987
    • Thread
    • denali dtc p2127 p2138 pedal positon sensor throttle position sensor
    • Replies: 8
    • Forum: Engine & Drivetrain
  3. YukonXLMan

    U0020 DTC Code

    I ran a new diagnostic tool I purchased today and it shows that all is well EXCEPT a U0020 Low Speed CAN Communication Bus Performance error. I'm not having much luck locating what this might mean on my 2017 Yukon XL SLT. I'm not experiencing any symptoms that I'm aware of. Might anyone have...

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