VOLVO
REM-8F12 - Xenon lamp position sensor. Faulty signal
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 whether the xenon lamp position sensor has been calibrated. The fault code is set when it has not, because the calibration has not been carried out, and the road illumination then does not work.
Possible causes
- The calibration has not been carried out
What you can do
- 1Calibrating the position sensor is a workshop task, so have a workshop with diagnostic equipment carry it out
- 2On cars with Four-C, the calibration is made through the suspension control module (SUM), which is also a workshop task
Symptoms you may notice1
- The road surface is not illuminated
General guidance for car owners. Diagnosis on the car can point to a different cause.