VOLVO
CEM-C1A9672 - Brake Switch. Mechanical Failures. Actuator stuck open
System
Central Electronic Module (CEM)
Volvo models this fault code applies to
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 brake light switch at the pedal has stuck in a position where it does not register the brake being pressed. The control module therefore receives no signal of braking, even though brake pressure is present. The cause may be a switch that is incorrectly fitted, damaged or jammed.
Possible causes
- The brake light switch has stuck in the open position
- The brake light switch is damaged
- The brake light switch is incorrectly fitted
What you can do
- 1Look at the brake light switch by the pedal: is it correctly seated, and does it move when the pedal is pressed?
- 2Ask someone to check whether the brake lights come on when you press the pedal. If they do not come on at all, that matches the fault
- 3Check that the fuses for the brake lights are intact, using the owner's manual
- 4Have a workshop correct or replace the switch if it is incorrectly fitted, damaged or jammed
- 5Brake lights are important for road safety, so get this fault fixed promptly
Symptoms you may notice4
- The brake lights do not work
- Cruise control will not engage, does not hold speed or disengages
- The engine does not start, or the start function does not work
- Text message and warning symbol in the display
General guidance for car owners. Diagnosis on the car can point to a different cause.