TRM-U210000
VOLVO
TRM-U210000 - Control Module Not Configured. 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) receives no vehicle configuration from the central electronic module (CEM). The fault may be because the module is not intended for this particular car, or because a control module was replaced without new software being loaded.
Possible causes
- Incorrect vehicle configuration, because the module is not intended for the car, for example if it is second-hand with different software or hardware
- Incorrect vehicle configuration setting
What you can do
- 1Check whether the tow hitch control module has been replaced without new software being loaded
- 2Have a workshop load new software into the tow hitch control module
- 3If the fault remains after reprogramming, have a workshop load new software into the central electronic module (CEM) and troubleshoot it
Symptoms you may notice1
- Trailer lighting does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.