Table 1 shows one common air brake related problems of the 2021 GMC Yukon.
| Problem Category | Number of Problems |
|---|---|
| Air Brake Abs Warning Light problems |
The contact owns a 2021 GMC Yukon. The contact stated that while driving at an undisclosed speed, the odometer was inoperable. There was an abnormal odor of fuel while starting the vehicle. The parking brake and tpms warning lights were illuminated and flashing. The parking brake was inoperable. Additionally, the seat belts were inoperable. The contact stated that there was a cut in brake line. The vehicle was taken to the local dealer where it was diagnosed and determined that the brake master cylinder needed to be replaced. The vehicle was repaired but the failure persisted. The manufacturer was contacted but provided no additional assistance. The failure mileage was approximately 60,000.
The contact owns a 2021 GMC Yukon. The contact stated that while driving at an undisclosed speed and completing a turn, the forward warning collision system alarm sounded, but the vehicle failed to activate automatic emergency braking. As a result, the vehicle collided with another vehicle ahead. The air bags did not deploy. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the abs. The vehicle was not repaired. A police report was not filed, and no injuries were reported. The manufacturer was not notified of the failure. The failure mileage was unknown.