VOLVO
TRM-U041568 - Invalid Data Received From Brake Control Module. Algorithm Based Failures. Event 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 information from the brake control module (BCM) that it judges to be of too low quality. The fault lies in the brake control module, and the trailer lighting may stop working.
Possible causes
- The fault lies in the brake control module (BCM)
What you can do
- 1Read the fault codes in the brake control module (BCM) and deal with them first
- 2Check that the relevant fuses are intact
- 3The braking system is safety-critical, so have a workshop carry out any work on the brake control module
Symptoms you may notice1
- Trailer lighting does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.