Tesla Model 3
U0401
The Tesla Model 3 Highland (2024-present) is experiencing error code U0401, which indicates a communication issue between the vehicle's control modules, specifically related to invalid data received from the engine control module (ECM).
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
5 common
- •Check engine light illuminated
- •Erratic performance or loss of power
- •Difficulty in starting the vehicle
- +2 more
Most Affected Generations
1 generation
Highland
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 U0401 across all generations.