Forward Collision Avoidance Related Problems of the 2020 GMC Sierra

Table 1 shows one common forward collision avoidance related problems of the 2020 GMC Sierra.

Table 1. Forward Collision Avoidance related problems of GMC Sierra

Problem Category Number of Problems
Adaptive Cruise Control Software problems
1

Adaptive Cruise Control Software problem

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.



Fuel Economy of Sierra Vehicles
Sierra Service Bulletins
Sierra Safety Recalls
Sierra Defect Investigations