2021 GMC SIERRA 2500 Engine Problems

6 NHTSA complaints on file

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Engine Issues in the 2021 GMC SIERRA 2500

6 engine complaints have been filed with NHTSA for the 2021 GMC SIERRA 2500. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.

6
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

All Engine Complaints

#11715295 |
80,000 Miles, complete engine break down. 12,000 to repair
#11631610 |
The contact owns a 2021 GMC Sierra 2500. The contact stated while driving 40-55 MPH, the vehicle started losing motive power. The contact stated while pulling into a nearby independent mechanic shop, the vehicle started jerking significantly and stalled midway. The check engine warning light was illuminated. The mechanic diagnosed the vehicle with transmission failure. The vehicle was towed to the residence. The local dealer and several unknown dealers were notified of the failure and informed the contact that the transmission assembly was not available and could not be ordered. The vehicle was towed to CJ's Transmission, where the transmission was taken apart. The mechanic determined that the transmission needed to be replaced. The vehicle was being repaired with a rebuilt transmission. The contact received notification of NHTSA Campaign Number: 24V797000 (Power Train); however, the part to do the recall repair was not yet available. The local dealer was contacted....
#11608733 |
Smog system check and Engan warning light keeps come on.
#11574476 |
The contact owns a 2021 GMC Sierra 2500. The contact stated that the vehicle was equipped with an engine block heater that he plugged into the vehicle when the weather was below 32 degrees to start the vehicle. The contact stated that he noticed that the engine block heater was causing the GFCI outlet in his residence, to experience an electrical short circuit. The dealer was notified of the failure and informed the contact that it was a known failure. An appointment was scheduled for diagnostic testing. The vehicle was not diagnosed or repaired. The contact related the failure to NHTSA Campaign Number: 19V328000 (Engine) however, the VIN was not included. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 55,000.
#11464852 |
Diesel Exhaust Fluid tank, high pressure
#11398288 |
THE TRUCK IS PARKED AT DEALERSHIP
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