Toyota RAV4
U0401
The U0401 code indicates an invalid data received from the engine control module (ECM) in a 2013-2018 Toyota RAV4. This can lead to communication issues between the ECM and other control units in the vehicle.
2 SolutionsU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
8 common
- •Check engine light illuminated
- •Vehicle may experience poor acceleration
- •Transmission shifting issues
- +5 more
Most Affected Generations
2 generations
XA40
1
XA50
1
Top Affected Components
1 component
Electrical
2
Severity Levels
1 level
high
2
Quick Facts
2
Total Solutions
1
Affected Components
8
Common Symptoms
2
Generations
All Solutions
Showing 2 of 2 solutions for error code U0401 across all generations.