Table 1 shows two common electrical system related problems of the 2015 GMC Sierra 2500. The number one most common problem is related to the electrical system (ten problems). The second most common problem is related to the instrument panel speedometer/odometer (one problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Instrument Panel Speedometer/odometer problems |
Electric trailer brake control modular is malfunctioning on my 2015 GMC sierra denali 3500. Multiple of sources told me this is a common problem with this generation of GMC. Read details...
Odometer fraud. The contact purchased a 2015 GMC Sierra 2500. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. Read details...