Lane Departure Related Problems of the 2021 GMC Sierra 1500

Table 1 shows three common lane departure related problems of the 2021 GMC Sierra 1500. The number one most common problem is related to the assist (four problems). The second most common problem is related to the warning (four problems).

Table 1. Lane Departure related problems of GMC Sierra 1500

Problem Category Number of Problems
Assist problems
4
Warning problems
4
Blind Spot Detection problems
1

Recently reported Lane Departure problems of the 2021 GMC Sierra 1500

The Assist problem

2021 GMC Sierra 1500 [xxx] miles 36,500. My childs seatbelt does not work and the lane keep assist does not work information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6)   Read details...

The Warning 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...

The Blind Spot Detection problem

I took my truck to the dealership because of my issues and they said they had many trucks going in with the same issue but there was no fix to it. The issues popping noise heard on hard turns and/or going over speed bumps, creaking noise while turning wheel left and/or right, clicking noise heard   Read details...


Lane Departure related problems in other GMC Sierra 1500 model year vehicles:



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