One problem related to integrated trailer brake control has been reported for the 2017 GMC Sierra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 GMC Sierra based on all problems reported for the 2017 Sierra.
The contact owns a 2017 GMC Sierra denali 2500. The contact stated that while driving 25 mph downhill, the message “reduced engine power” was displayed. While the message was displayed, the trailer brakes and exhaust brake became inoperable, and the braking distance increased. The failure mileage was approximately 186,000.
| Electrical System problems | |
| Starter problems | |
| Integrated Trailer Brake Control problems | |
| Software problems |