NHTSA Complaint #11447472 — 2021 TESLA MODEL Y

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR issue reported to NHTSA

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Complaint Details

ODI Number 11447472
Vehicle 2021 TESLA MODEL Y
Component ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
Date of Incident
Date Filed
Mileage N/A miles
Crash No
Fire No
Injuries 0
Deaths 0
Vehicle Towed No
State CA

Consumer Description

While driving on ice and snow covered roads the regenerative braking feature comes in so strongly that it makes driving dangerous as the car loses traction and control every time the foot is removed from the accelerator. The regenerative braking automatically applies once the foot is removed from the accelerator. Tesla used to have an option to reduce the strength of the regenerative braking but removed that option in October of 2021. That change in software has made the vehicle unsafe to drive on slick roads. I was able to maintain control of the vehicle because of my driving skill, but did lose control numerous times during a 50 mile trip because of the increased regenerative braking feature. Tesla vehicles manufactured before October 2021 still have the option to reduce regenerative braking power, I also own one of those vehicles. I have attached a photo of that screen that shows the option.

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