Lane Departure Problems of GMC Sierra 3500

GMC Sierra 3500 owners have reported 4 lane departure related problems since 1996. Table 1 shows the 2 most common lane departure problems. The number one most common problem is related to the vehicle's assist (2 problems). The second most common problem is related to the vehicle's warning (2 problems). For details of each of the problem category, use the links in the table.

Table 1. Lane Departure related problems of GMC Sierra 3500

Problem Category Number of Problems
Assist problems
2
Warning problems
2

Recently reported Lane Departure problems of GMC Sierra 3500

The Assist problem

On christmas day 2025 my tailgate flies open on its own and I see my cargo flying out and a piece of it bounced off my taillight passenger side braking the taillight and then when attempting to pull over my lane departing feature try’s to correct its self and I hit the median luckily at   Read details...

The Warning problem

My intellibeam function stops working sometimes, I can still use the lights as normal but the intellibeam function stops every so often and starts working after about 2 to 10 mins. Lane departure warning stops every so often and will start working after 1 to 10 mins, I have noticed that when it   Read details...




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