NHTSA Complaint #11708424 — 2021 TESLA MODEL Y ELECTRICAL SYSTEM

Complaint Details

ODI Number	11708424
Vehicle	2021 TESLA MODEL Y
Component	ELECTRICAL SYSTEM
Date of Incident	October 14, 2025
Date Filed	January 2, 2026
Mileage	155,000 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	TN

Consumer Description

The contact owns a 2021 Tesla Model Y. The contact stated that while the vehicle was parked, the contact observed the code BMSA079 on the computer, and messages "Vehicle Unable to Charge to Maximum Charge Level" and “Maximum Charge Level Reached - Reduced Maximum Charge Levels" were displayed. The vehicle was taken to a dealer, and it was determined that one coil in the battery was inoperative, and the dealer reduced the charge and refused to increase the battery charging level. The manufacturer was notified of the failure. The failure mileage was 155,000.

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