Forward Collision Avoidance Related Problems of the 2021 GMC Sierra 1500

Table 1 shows two common forward collision avoidance related problems of the 2021 GMC Sierra 1500. The number one most common problem is related to the adaptive cruise control (two problems). The second most common problem is related to the warnings (two problems).

Table 1. Forward Collision Avoidance related problems of GMC Sierra 1500

Problem Category Number of Problems
Adaptive Cruise Control problems
2
Warnings problems
2

Recently reported Forward Collision Avoidance problems of the 2021 GMC Sierra 1500

The Adaptive Cruise Control problem

Engine burning oil and blowing white smoke out tail pipes. Have to add oil every 1500 miles or sooner if towing. Has been an issue since first oil change. Vehicle is now at 88057 miles   Read details...

The Warnings problem

I am writing to complain about that general motors has issued a retrofit program for 2022 model vehicles that did not come with safety features due to the microchip shortage. I purchased my vehicle new in 2021 and the vehicle did not have the option of having safety features at the time of purchase.   Read details...


Forward Collision Avoidance related problems in other GMC Sierra 1500 model year vehicles:



Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations