2022 Tesla Model Y lane departure problems

“I was using the Full Self Driving Feature on the Tesla when it began to merge into the lanes on the right and it almost hit another vehicle. Today is the second day using the FSD feature, this is the first time it does this. Prior to it merging lanes on its own, it did swerve to the right on one lane as well.”

“After making a left turn I got 2 alerts on my screen "steering assist reduced" and "lane departure disabled", I tried to reset the vehicle few times, but it didn't work, I drove it to Tesla repair center and they issued steering rack damage diagnosis, Tesla is removing and replacing the steering rack along with wheel alignment at this moment. Driving with the alert was extremely dangerous since the steering could have been completely disabled while driving and this could happen on the freeway or a busy street which would have put me and others at the risk. Since it has been a very common problem with 2022 and 2023 models and recall has been issued for 2023 models, I feel like the 2022 models having the exact same problem are being ignored and it's drivers put at a risk of hurting themselves or others.”

“On 8/22/2026, my 2022 Tesla Model Y Long Range with approximately 81,000 miles developed an Electronic Power Assisted Steering (EPAS) fault immediately after I felt a brief jerk while reversing. The vehicle displayed “Steering assist reduced / Steering may require increased effort.” Manual steering currently feels normal, but Full Self-Driving/Autosteer and Lane Departure/Lane Keeping functions became unavailable. Tesla Service Mode shows repeated faults EPAS3P_a072_motFeedFwdError, EPAS3P_a049_piCtrlError, and UI_a020_SteeringReduced. For EPAS3P_a072, Tesla’s diagnostic screen describes a “Motor control feed-forward correlation error,” lists the potential impact as “Reduced steering assist and EAC inhibited,” and specifically lists “Replace EPAS” as the clear condition. The faults return after vehicle power-off and reboot. The vehicle was updated to software 2026.21.6 / FSD v14 Lite approximately two weeks before this occurred. There were no previous steering warnings. I am not claiming the update caused the failure, but I believe the timing warrants investigation. NHTSA Complaint 11749826 describes a 2021 Model Y with the same EPAS3P_a072 and UI_a020 faults,…”

“The Autopilot/FSD computer (driver-assistance ECU) on my 2021 Model Y (HW3) began failing intermittently on August 2, 2026, days after installing a software update -FSD v14 "Lite" branch. The component is in the vehicle and available for inspection. While driving at highway speed in high ambient temperatures (112–125°F), the system repeatedly disengaged with "Cruise control unavailable" (alert DI_a175) and "System error — take over immediately" warnings, and later alert APP_w46u on FSD engagement. Failures included: FSD and Autosteer aborting within seconds of engagement or disappearing from the menu entirely; complete loss of driving visualizations (no lane lines or vehicle overlays); rear camera blacking out; loss of speed-limit recognition and automatic turn-signal cancel. Both FSD and Autosteer Beta failed identically, indicating the fault is in the shared Autopilot computer/camera pipeline, not one feature. Because the same camera/compute stack supports automatic emergency braking, forward-collision warning, and blind-spot warning, the status of those safety systems during the failures is UNKNOWN — I had to complete long desert highway stretches fully…”

“As a 100% T&P Disabled Veteran relying on advanced driver-assistance for mobility, I purchased a 2022 Tesla Model Y Performance with Hardware 3 (HW3), which was actively advertised and sold as possessing all necessary hardware for safe, autonomous operation. In practice, the vehicle suffers from safety-critical driver-assist defects—including unexpected disengagements and erratic system choices—due to fundamental HW3 processing and memory bandwidth limitations. Operating a vehicle marketed as autonomy-ready, but constrained by hardware incapable of handling complex traffic scenarios safely, forces constant manual intervention and creates an unacceptable collision hazard for a disabled driver.”

“FSD / vision system , no warnings , the vehicle is turning left and right on a straight road sunny conditions. I have a video that it wouldn’t let me attach to the case. I had Tesla service review this and they told me it’s standard behavior, this never occurred before and is dangerous and unusable. Autopilot has an issue that Tesla themself can’t detect and when I get into an accident it’ll Be too late. I’ve been complaining about this for 3 months and Tesla keeps telling me it’s standard behavior, this never happened before the car used to drive straight, brand new tires front and back , blanket and aligned the car drives straight while not in autopilot, issue is directly related to FSD and Tesla autopilot.”