Table 1 shows one common diesel fuel system related problems of the 2024 GMC Sierra 2500.
| Problem Category | Number of Problems |
|---|---|
| Diesel Fuel System problems |
The contact owns a 2024 GMC Sierra 2500. The contact stated that the vehicle was idling roughly, and the rpm fluctuated between 500 and 1,000 rpm while idling. The check engine warning light was illuminated. Additionally, the contact stated that the fuel economy had decreased to 13 miles per gallon. The contact stated that upon scanning the vehicle, the contact retrieved dtc: p0606 and p062b. The contact related the failure to gm campaign number: n232415860 (fuel injector flow rate compensation). The dealer was contacted and informed the contact that a fee would be charged for a diagnostic test. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA hotline for assistance. The failure mileage was approximately 70,000.
The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving at various speeds, the two outside cabs were smoking. There was smoke detected near the fuel tank. The contact stated that there was an abnormal odor of diesel and def detected. There were no warning lights illuminated. The vehicle was taken to the local dealer, but the vehicle was not diagnosed or repaired. While driving, there was a lot of smoke detected from the vehicle. The vehicle was taken back to the local dealer, who was unable to determine the cause of the failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 100.