VOLVO
CEM-B1C9012 - Auxillary Driving Lamps Relay Coil Circuit. General Electrical Failures. Circuit short to battery
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
7 ModelleS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Was bedeutet der Fehlercode?
The central electronic module (CEM) supplies the auxiliary lights. The code is set when the output signal is too high, which is caused by the supply wire being shorted to voltage.
Mögliche Ursachen
- The supply wire to the auxiliary lights is shorted to voltage
Was Sie tun können
- 1Read and clear the code, then switch on the auxiliary lights and see whether they work
- 2Check that the fuse for the auxiliary lights is intact
- 3Look for chafing on the supply wire to the auxiliary lights, especially where the cable may have been pinched
- 4Use a multimeter to see whether the supply wire has voltage with the ignition off
- 5If you have a diagnostic tool, activate the auxiliary lights with it and see whether they come on; otherwise have a workshop check the relay
Symptome, die Sie bemerken können1
- The auxiliary lights do not work
Was der Fehler beeinflussen kann3
- The function switches off during the driving cycle in which the fault is detected
- After repeated driving cycles with the fault, the function is switched off permanently
- Clearing the fault codes and starting a new driving cycle resets the output
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.