VOLVO
CEM-B10E611 - Front Side Marker Light. General Electrical Failures. Circuit short to ground
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
Applies to the following models:
2 modelsV40 (2013–), V40 Cross Country (2013–)
Show models by year and engine (2)
What does this fault code mean?
On cars with xenon dipped beams, the CEM powers the front side marker lights through a common output. The code is stored when the signal from the output is too low, which can be caused by the supply cable being short-circuited to ground. The side marker lights then do not work.
Possible causes
- The supply cable is short-circuited to ground
What you can do
- 1Check that the relevant fuses are intact. Their locations are in the owner's manual or on the fuse box cover
- 2Check that the side marker lamps are secure and that their connectors are clean and dry
- 3Look for chafing on the supply cable, especially where it may have been pinched against the body
- 4Use a multimeter to check that the supply cable to the side marker lights has no contact with ground (the body)
- 5If you have a diagnostic tool: activate the front side marker lights and check that they light
- 6If the fault returns, have a workshop with diagnostic equipment check the control module output and the wiring
Symptoms you may notice3
- Side marker lights or position lights do not work
- Yellow warning symbol and text message in the display
- The bulb failure warning in the instruments comes on or behaves abnormally
General guidance for car owners. Diagnosis on the car can point to a different cause.