VOLVO
CEM-B118D11 - Right blind spot warning indicator. General Electrical Failures. Circuit short to ground
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
Applies to the following models:
3 modelsS60 (2011–), V60 (2011–), V60 Cross Country (2015–)
Show models by year and engine (3)
What does this fault code mean?
The right camera module (RCM) communicates with the CEM over the LIN bus. The CEM sets the fault code when the wire supplying the LED in the right blind spot warning indicator is short-circuited to earth.
Possible causes
- The wire supplying the LED is short-circuited to earth
What you can do
- 1Check that the fuses are intact
- 2Start the engine and switch on the blind spot function; see whether the right indicator lights, then clear the fault code and road test
- 3Inspect the wire to the right indicator for chafing, pinch damage and loose connectors
- 4Disconnect the connector at the indicator and use a multimeter to check that the wire has no contact with earth (the body)
- 5If the fault remains, have a workshop with diagnostic equipment check the right camera and the wiring
Symptoms you may notice2
- The blind spot warning indicator on the right side does not light
- A text message or warning symbol may appear in the display
General guidance for car owners. Diagnosis on the car can point to a different cause.