CCM-B103109
VOLVO
CCM-B103109 - Left Rear Seat Heater. General Failure Information. Component Failures
System
Climate Control Module (CCM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
What does this fault code mean?
The seat heating module for the left rear seat (SHMRL) sends its status and current temperature to the climate control module (CCM). The fault code is set when the seat heating module, or the left rear seat heating module, has an internal component fault and is not working as it should. The heating in the rear seat is then not reliable.
Possible causes
- Internal fault in the seat heating module (SHM)
- Internal fault in the left rear seat heating module (SHMRL)
What you can do
- 1Check that the fuses are intact, especially the fuse for the seat heating
- 2Start the engine, switch on the left rear seat heating and see whether the heat comes on
- 3Check that the connectors to the left rear seat heating are firmly seated and free from oxidation
- 4With diagnostic equipment, follow the seat heater status and current temperature in live data when the heat is switched on and off. The values should follow the heat setting
- 5Have a workshop read the seat heating module and replace it if it is defective
Symptoms you may notice2
- The electric heating in the rear seat does not work
- The rear seat heating does not work or gets too hot
General guidance for car owners. Diagnosis on the car can point to a different cause.