VOLVO
TRM-U210100 - Control Module Configuration Incompatible. General Failure Information. No sub type information
System
Trailer Module (TRM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The tow hitch control module (TRM) and the car's configuration do not agree. The cause may be the software in the tow hitch control module, an incorrect configuration file for the car, or a damaged central electronic module (CEM).
Possible causes
- Incorrect software in the tow hitch control module (TRM)
- The configuration file for the car is incorrect
- Damaged central electronic module (CEM)
What you can do
- 1Have a workshop check the car's software configuration and load the correct software into the tow hitch control module
- 2If the fault remains after reprogramming, have a workshop load new software into the CEM
- 3If the fault remains after that, the central electronic module (CEM) needs troubleshooting by a workshop
Symptoms you may notice2
- Trailer lamps do not work correctly
- Trailer lighting does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.