Genesis G70
U0401
The U0401 code indicates a communication issue between the Engine Control Module (ECM) and the Transmission Control Module (TCM) in a 2017-2023 Genesis G70 IG. This code suggests that the ECM has received an invalid data signal from the TCM.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
6 common
- •Check engine light illuminated
- •Transmission shifting issues or erratic behavior
- •Delayed engagement when shifting into gear
- +3 more
Most Affected Generations
1 generation
IG
1
Top Affected Components
1 component
Electrical
1
Severity Levels
1 level
high
1
Quick Facts
1
Total Solutions
1
Affected Components
6
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code U0401 across all generations.