Volkswagen Passat
U0100
The U0100 error code indicates a "Lost Communication with Engine Control Module (ECM) / Transmission Control Module (TCM)" in your Volkswagen Passat B8 (2015-2022). This code suggests that there is a communication failure between the control modules.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
6 common
- •Check engine light illuminated
- •Vehicle may experience stalling or rough idle
- •Loss of power during acceleration
- +3 more
Most Affected Generations
1 generation
B9
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 U0100 across all generations.
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