Volvo XC60
U0121
The U0121 communication error indicates that there is a loss of communication with the vehicle’s auxiliary control module, which can affect various systems in the Volvo XC60 First Generation (2008-2017).
3 SolutionsU-CodeNetwork
U
Error Code Type
Network
Components
2 affected
ElectricalSteering
Symptoms
10 common
- •Check engine light illuminated
- •Inoperative features related to the auxiliary control module
- •Erratic behavior of electronic systems
- +7 more
Most Affected Generations
2 generations
Y20
2
SPA
1
Top Affected Components
2 components
Electrical
2
Steering
1
Severity Levels
2 levels
high
2
medium
1
Quick Facts
3
Total Solutions
2
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 3 of 3 solutions for error code U0121 across all generations.