VOLVO
TRM-U1A4B8F - Control Module Processor B. Bus Signal / Message Failures. Erratic
System
Anhängermodul (TRM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
9 ModelleS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Modelle nach Baujahr und Motor anzeigen (9)
Was bedeutet der Fehlercode?
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.
Mögliche Ursachen
- The tow hitch control module (TRM) has lost contact with its processor B
Was Sie tun können
- 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
Symptome, die Sie bemerken können1
- Trailer lighting does not work
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.