One problem related to alternator/generator/regulator has been reported for the 2017 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 GMC Sierra 2500 based on all problems reported for the 2017 Sierra 2500.
The contact owns a 2017 GMC Sierra 2500. The contact stated that while his wife was driving at an undisclosed speed, the vehicle experienced a loss of power steering assist, and the brakes failed to stop the vehicle immediately. No warning light was illuminated. The vehicle coasted to the side of the road. When the contact arrived on the scene, he noticed that the generator pulley had detached. The contact then purchased a new generator, which he replaced himself. The vehicle was repaired. The manufacturer was not made aware of the failure. The failure mileage was 55,756.
| Electrical System problems | |
| Alternator/generator/regulator problems |