Volkswagen Golf
U1123
The U1123 code in a Volkswagen Golf (Seventh Generation, 2013-2020) indicates a loss of communication with the vehicle's control module. This can impair various electronic systems, leading to operational issues.
1 SolutionU-CodeNetwork
U
Error Code Type
Network
Components
1 affected
Electrical
Symptoms
5 common
- •Check engine light illuminated
- •Erratic behavior of electronic features (e.g., windows, locks)
- •Inconsistent or non-functional dashboard displays
- +2 more
Most Affected Generations
1 generation
MK8
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 U1123 across all generations.
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