Table 1 shows two common forward collision avoidance related problems of the 2020 GMC Sierra.
| Problem Category | Number of Problems |
|---|---|
| Adaptive Cruise Control Software problems | |
| Adaptive Cruise Control problems |
The contact owns a 2020 GMC Sierra denali. The contact stated while driving 75 mph, the adaptive cruise control feature became inoperable. The contact stated that when the vehicle got too close to another vehicle, the adaptive cruise control feature failed to activate as designed. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 6,700. The VIN was unavailable.
The contact owns a 2020 GMC Sierra denali. The contact stated that while driving with adaptive cruise control set to 55 mph, the vehicle suddenly accelerated. The contact depressed the brake pedal to disengage the adaptive cruise control settings, preventing the vehicle from crashing into the vehicle ahead. The contact stated that the failure had occurred while the adaptive cruise control was engaged. The approximate failure mileage was 99,000.