VOLVO
REM-6A01 - Relay, central locking. 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) checks the signal to the coil of a central locking relay. If that signal is too high, the code is set. A door, the fuel filler cap and the boot lid may then be unable to lock or unlock.
Possible causes
- Defective relay
- Damaged relay base
What you can do
- 1Check that the central locking relay sits firmly in its base and that its contacts are not damaged or corroded
- 2If you have a diagnostic tool, activate the relay and listen for it to click
- 3If the fault remains, have a workshop replace the relay and check the relay base
Symptoms you may notice3
- A door cannot be locked or unlocked
- The fuel filler cap cannot be locked or unlocked
- The boot lid cannot be locked or unlocked
General guidance for car owners. Diagnosis on the car can point to a different cause.