Lane Departure Related Problems of the 2021 Tesla Model Y

Table 1 shows four common lane departure related problems of the 2021 Tesla Model Y. The number one most common problem is related to the assist (37 problems). The second most common problem is related to the warning (17 problems).

Table 1. Lane Departure related problems of Tesla Model Y


Recently reported Lane Departure problems of the 2021 Tesla Model Y

The Assist problem

Tesla’s full self-driving (fsd) system has repeatedly demonstrated unsafe behavior in my 2021 Model Y (VIN [xxx] , ~60,184 miles). The issues involve adaptive cruise control, lane keeping assistance, and forward collision warning.   Read details...

The Warning problem

The car suddenly reduced lane assistance and steering assistance functionality. After calling Tesla they said it is not a software issue. I checked the service mode and it indicated a malfunction in the steering assist motor, which apparently costs $3500 to replace.   Read details...

The Blind Spot Detection problem

I noticed the windshield washer nozzle on the passenger side isn't either working or not there. I reached out to Tesla, and also stopped by a local dealership and they told me that it would cost me out of pocket, since it's out of warranty.   Read details...


Lane Departure related problems in other Tesla Model Y model year vehicles:



Model Y Service Bulletins
Model Y Defect Investigations