One problem related to brake pedal and linkage has been reported for the 2015 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Sierra 3500 based on all problems reported for the 2015 Sierra 3500.
The contact owns a 2015 GMC Sierra 3500. The contact stated that the brake pedal and accelerator pedal lifted while depressed, causing the engine to rev. There were no warning lights illuminated. The dealer was contacted and made aware of the failure. The vehicle was not taken to the dealer to be diagnosed or repaired. The manufacturer was not informed of the issue. The failure mileage was approximately 37,000.
| Service Brakes problems | |
| Brake Pedal And Linkage problems | |
| Brakes Failed problems |