Tesla Model Y
B1321
The B1321 code on a Tesla Model Y (2020-present) indicates a fault with the vehicle's battery management system, potentially related to a communication issue or a malfunction in the battery or its sensors.
1 SolutionB-CodeBody
B
Error Code Type
Body
Components
1 affected
Electrical
Symptoms
5 common
- •Warning message on the dashboard
- •Reduced battery performance or range
- •Inability to charge the vehicle
- +2 more
Most Affected Generations
1 generation
Current
1
Top Affected Components
1 component
Electrical
1
Severity Levels
1 level
high
1
Quick Facts
1
Total Solutions
1
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code B1321 across all generations.