FSD and GPS drifting problem solved (core computer replaced by service center)

[KenjiIzce]

Hi,
For 3 months of owing my FCT, I kept getting random FSD hugging right side of the road or switching to hugging center lane. GPS would drift off screen away from my current route, and the car to make radical change to compensate for the new false route.

After 4 services visited, and my effort of taking manual logs of time and date of the issues when it occurred. Services center had to push the issues all the way to lead engineers and tech at Tesla. With my logs and their digging they rule that the core computer was the issue.

After replacing the core computer, it’s been 2 weeks since, and I can proudly say, problem has been solved.

Hoping that if anyone has this issues out there. This was my solution, I hope this help.

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[nubbin77]

Wow, this needs to be more widely known. So many people have complained about odd FSD issues that I NEVER experienced. I always suspected some type of calibration or other issue. I couldn't understand how so many of us on the same version of FSD would have totally different experiences. Maybe this is the source of the issue for those that have had these types of problems (left turn radius, following too closely, left / right lane bias, etc.). Not huge things but all of them unsettling I would expect from people's descriptions. Mine has always been pretty solid (except for known things related to the versions). I count my blessings as such. Although now I am dealing with the PCS thing...