VOLVO
CEM-B1D1412 - Interior Lights Circuit "B". General Electrical Failures. Circuit short to battery
System
Sentral elektronikk (CEM)
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 central electronic module (CEM) supplies the lighting for the rear door handles, the centre console and the electric parking brake switch through circuit B. The code is set when the signal from the output is too high, which is caused by the voltage wire being shorted to voltage.
Mulige årsaker
- The voltage supply wire is shorted to voltage
Hva du kan gjøre
- 1Read and clear the code and see whether it comes back when the interior lighting is switched on and off
- 2Check that the fuse for the interior lighting is intact
- 3Use a multimeter to see whether the voltage supply wire has voltage with the ignition off
- 4Look for chafed wires and damaged insulation on the wire to the rear door handle lighting and the centre console
- 5If the wire is intact, have a workshop with diagnostic equipment check the module output
Symptomer du kan merke1
- The passenger compartment lighting does not work
Hva feilen kan påvirke2
- After repeated driving cycles with the fault, the function is switched off permanently
- Clearing the fault codes resets the output
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