VOLVO
CEM-4F47 - Left camera module. Internal fault
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The CEM controls communication with the BLIS camera modules. If the CEM registers an fault inside the left camera module, the code is set. The LED may then not light, or it may flash rapidly.
Possible causes
- A dirty lens
- A loose connection or oxidation in the signal connections to the left camera module
- A fault inside the left camera module
What you can do
- 1Check that the lens on the left camera module is clean and not covered by dirt or stickers
- 2Check that the connectors to the camera module are seated and not corroded
- 3After the work, clear the code and check that the LED works
- 4If the fault returns, have a workshop replace the camera module, since it must be coded after replacement
Symptoms you may notice2
- The LED does not come on
- The LED flashes rapidly
General guidance for car owners. Diagnosis on the car can point to a different cause.