VOLVO
REM-6F71 - Unlocking relay, central locking, fuel tank filler cover. 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 for the fuel filler flap central locking when the flap is locked. The fault lies in the relay or in the control module, and the flap does not lock or open.
Possible causes
- Faulty relay, with a short circuit in the relay coil
- Defective control module
What you can do
- 1Read and note the fault code, clear it and try locking the fuel filler flap
- 2If you have a diagnostic tool, you can activate the relay for the fuel filler flap and listen for a click
- 3Replace the relay with a new one and check that the flap locks; if it then works, the relay was the fault
- 4If the fault remains, have a workshop with diagnostic equipment check the wiring and the control module (REM)
Symptoms you may notice1
- The fuel filler flap does not lock or open
General guidance for car owners. Diagnosis on the car can point to a different cause.