Chevy and GMC Duramax Diesel Forum banner


  1. P0571 code No cruise control

    Gauges, Electronics and Wiring.
    I see that this was posted a few different times but no solution has been presented. My 2008 Silverado 2500 HD with the LMM engine has lost the cruise control function. The light on the steering wheel comes on but that's it. The cruise control does not engage nor does it display on the...
  2. Help! DTC Codes, troubleshooting

    06-07 LBZ & LLY Duramax Powertrain
    :help:confused: Hey all, I just entered the weird zone yesterday. I changed the oil, every thing was fine, no problems before this. Just after the oil pressure came up, it started running crappy. Figured out it had gone into limp home mode. I replaced injector #4 about a month ago. Showing...