VOLVO
REM-6A0C - Unlocking relay, central locking rear right door. Signal too high
System
Rear Electronic Module (REM)
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:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The rear electronic module (REM) has registered too high a signal on the ground circuit of the relay coil when the central locking in the rear right door should unlock. The fault lies in the relay or in the control module, so the door cannot be unlocked correctly.
Possible causes
- Faulty relay, with a short circuit in the relay
- Defective control module
What you can do
- 1If you have a diagnostic tool, you can activate the unlocking relay and listen for a click
- 2Replace the relay with a new one and check that the rear right door unlocks
- 3If unlocking works after the replacement, the relay was the fault
- 4If it still does not work, have a workshop with diagnostic equipment check the control module
Symptoms you may notice1
- The rear right door does not lock or open
General guidance for car owners. Diagnosis on the car can point to a different cause.