VOLVO
CEM-B10C014 - Fuel Pump Power Supply. General Electrical Failures. Circuit short to ground or open
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
Applies to the following models:
7 modelsS60 (2011–), S80 (2007–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The CEM monitors the voltage supply to the fuel pump when the pump is activated. The code is stored when the supply cable to the pump is short-circuited to ground. The engine then does not start.
Possible causes
- The fuel pump supply cable is short-circuited to ground
- Damaged fuse
What you can do
- 1Check that the relevant fuses are intact, especially the one for the fuel pump. Their locations are in the owner's manual or on the fuse box cover
- 2Use a multimeter to check that the supply cable to the fuel pump has no contact with ground (the body)
- 3If you have a diagnostic tool: activate the fuel pump and listen for it to start
- 4Look for chafing on the fuel pump supply cable where it may have been pinched
- 5If the fault returns, have a workshop with diagnostic equipment check the wiring and the control module
Symptoms you may notice1
- Engine does not start
General guidance for car owners. Diagnosis on the car can point to a different cause.