Tesla Model 3
U3003
Error code U3003 on a Tesla Model 3 (2017-2023) indicates an issue related to the vehicle's communication network, specifically a fault in the high-speed CAN (Controller Area Network) bus communication.
2 SolutionsU-CodeNetwork
U
Error Code Type
Network
Components
2 affected
ElectricalSteering
Symptoms
10 common
- •Check engine light illuminated
- •Loss of power to certain electrical systems
- •Inconsistent operation of vehicle features (e.g., lights, wipers)
- +7 more
Most Affected Generations
1 generation
Highland
2
Top Affected Components
2 components
Electrical
1
Steering
1
Severity Levels
1 level
high
2
Quick Facts
2
Total Solutions
2
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 2 of 2 solutions for error code U3003 across all generations.