VOLVO
REM-4A47 - Fuel level, gas. Signal too low
System
Rear Electronic Module (REM)
Volvo models this fault code applies to
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) monitors the gas fuel level sensor, and if its signal is too low the code is set. The cause is a signal wire shorted to ground. Symptoms can include the trip computer showing the tank empty too early and the automatic headlamp range control not working.
Possible causes
- The signal wire is shorted to ground
What you can do
- 1Clear the fault code and test drive the car; if it appears again, the fault is still there
- 2Check that the connector to the gas fuel level sensor is secure and free from corrosion
- 3Use a multimeter to check that the signal wire from the sensor is not shorted to ground (the body)
- 4If the fault remains, have a workshop trace the sensor and the wiring further
Symptoms you may notice4
- The trip computer shows the tank empty too early
- The fuel gauge reads zero although there is fuel in the tank
- The gas level gauge does not work
- The automatic headlamp range control does not work
What the fault can affect1
- The fuel level is set to zero
General guidance for car owners. Diagnosis on the car can point to a different cause.