VOLVO
CEM-U026400 - Lost Communication With Parking Assistance Camera. General Failure Information. No sub type information
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
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 fault code means that the control module storing the fault has no working link to the parking camera control module (PAC), or the link is disturbed. The parking camera then does not work. The fault concerns the network rather than one individual control module.
Possible causes
- No voltage supply to the parking camera module (PAC)
- Broken ground wire to the PAC
- Poor contact in the connections
- Open or shorted CAN wiring
- A module not intended for the car, such as a used unit with other software or hardware
What you can do
- 1Check that the parking camera fuse is intact
- 2Check the cables and connections to the PAC for contact resistance or oxidation
- 3Check the power cable to the PAC for shorts and breaks
- 4Check the ground wire for breaks or a short to voltage, and the ground point for play and oxidation
Symptoms you may notice1
- Park assist camera does not work
General guidance for car owners. Diagnosis on the car can point to a different cause.