2011 Chevrolet Silverado 2500: check engine light

Filed Apr 8, 2023 · Electrical · WA

GM is aware of a known failure in their Transmission Control Modules. My part number is 24256670. My truck has 87,000 miles on it and not drivable due to this failed electronic component. There are thousands of people just like me experiencing this issue. Check engine light illuminates once unit gets hot. Multiple codes will display at this time. This happened at a stop light, causing traffic jam and congestion, unnecessary safety infringement on all i affected.

Filed Oct 5, 2022 · Transmission · 61,000 miles · NE

The contact owns a 2011 Chevrolet Silverado 2500. The contact stated that while his wife was driving at an undisclosed speed, she made a mid-left turn and heard a low sound coming from the engine. The contact then stated that as his wife depressed the accelerator pedal, the engine revved but the vehicle failed to respond. The service stabilitrak, ABS, and check engine warning lights illuminated. The vehicle was towed to an independent mechanic where it was diagnosed that the transmission control module needed to be replaced. The vehicle was not repaired. The dealer was notified of the failure and the contact was informed that the parts to do the repair were on back order. The manufacture was notified of the failure and the contact was provided a case number but no further assistance was provided. The failure mileage was approximately 61,000.

Filed Sep 14, 2021 · Engine · 203,000 miles · NC

The contact owns a 2011 Chevrolet Silverado 2500. The contact stated while driving 45 MPH, the vehicle shut-off with the check engine warning light illuminated. The contact was able to pull over and restart the vehicle; however, the failure persisted. The dealer was notified of the failure and the contact was able to drive the vehicle to the dealer; however, the vehicle was not yet diagnosed. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 203,000.

Filed Sep 25, 2020 · 135,000 miles · OR

I started my 2011 chevy silverado 2500 6.6l diesel and my def and check engine light came on the dash telling me to check owners manual now. I plugged in my code reader to the vehicle and it gave me a code reading 'p20b9 reductant heater a control circuit open'. From what I could research online this seems to be a very common issue in these lml diesel trucks with the def system.

Filed Apr 26, 2016 · Driver assistance, Engine · 41,209 miles · NC

Tl* the contact owns a 2011 chevrolet silverado 2500. While driving 10 MPH, the engine jerked and shook as the check engine light, reduce engine power, and service traction control lights illuminated. The vehicle was towed to the dealer where the throttle body and harness were repaired. The manufacturer was not notified of the failure. The failure mileage was 41,209.

Filed Jul 2, 2012 · Engine, Fuel system · 19,025 miles · GA

The truck had the check engine light come on when we took it to the dealership they replace the fuel pressure regulator. The light soon came back on due to a faulty fuel pump which sent the car into safe mode, which made the car do a nose dive from 55 to 15 in a matter of seconds on a major interstate in atlanta.