VOLVO
ABS-0065 - Stop (brake) light switch. Faulty signal. Intermittent fault
System
Anti-lock Braking System (ABS)
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 modelsC70 Cabriolet (1998–2005), C70 Coupé (1998–2002), S60 (2001–2009), S70 (1997–2000), S80 (1999–2006), V70 (1997–2000), V70 XC (1998–2000)
What does this fault code mean?
At some point the ABS control module registered an incorrect signal from the stop lamp switch. The fault is intermittent, meaning it is sporadic and may not be present now. The fault normally causes no noticeable symptoms while driving.
Possible causes
- Temporary poor contact in the stop lamp switch or module connectors
- A temporary open circuit or short circuit in the wire
- Faulty stop lamp switch
What you can do
- 1Check the connectors at the stop lamp switch and at the control module for contact resistance and oxidation
- 2Check that the brake lights come on and off normally when you brake
- 3Clear the code and check whether it returns
- 4If it returns, have a workshop with diagnostic equipment trace the stop lamp switch and the wiring
- 5ABS is safety-critical – do not work on the brake system yourself, have a workshop do it
Symptoms you may notice1
- No clear symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.