VOLVO
CEM-B118C13 - Left blind spot warning indicator. General Electrical Failures. Circuit open
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 left camera module (LCM) and the CEM communicate over the LIN bus. The fault is stored when the CEM detects an open circuit in the wire that supplies the LED in the left blind spot warning indicator.
Possible causes
- Open circuit in the wire supplying the LED
What you can do
- 1Check that the fuses are intact
- 2With the engine running, check that the left-side indicator lights, then clear the fault code and road test
- 3Follow the wire from the left indicator and look for places where it is broken, pinched or chafed
- 4Use a multimeter to check that the wire is continuous between the connector ends
- 5If the fault remains after this check, have a workshop with diagnostic equipment fault-trace the left camera and the wiring
Symptoms you may notice2
- The blind spot indicator on the left 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.