VOLVO
TRM-CA4B - Control Module Processor B. Bus Signal / Message Failures
System
Tilhengermodul (TRM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
2 modellerC30 (2007–2013), C70 (2006–2013)
Vis modeller per årsmodell og motor (2)
Hva betyr feilkoden?
The tow hitch control module (TRM) has registered a fault in the messages between the module's own parts: the signal is faulty, 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 has lost contact with its processor B
Hva du kan gjøre
- 1Disconnect the battery negative terminal for a while, reconnect it, and then read the fault code
- 2If 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.