VOLVO
TRM-U1A4B8F - Control Module Processor B. Bus Signal / Message Failures. Erratic
System
Tilhengermodul (TRM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
9 modellerS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Hva betyr feilkoden?
The tow hitch control module (TRM) has registered an incorrect signal from its own processor B, and contact with processor B has been lost. The fault lies in the module itself, and the trailer lighting may stop working.
Mulige årsaker
- The tow hitch control module (TRM) has lost contact with its processor B
Hva du kan gjøre
- 1Run a functional test of the trailer lights with a working trailer connected
- 2Read the fault code again after the test to see whether it is still present
- 3Have a workshop download the latest software to the tow hitch control module
- 4If the fault remains, the tow hitch control module needs replacing, which a workshop should carry out
Symptomer du kan merke1
- Trailer lighting does not work
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.