VOLVO
REM-8D11 - High level stop lamp. Signal too low
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) feeds the high-mounted stop lamp directly from an output. The fault is set when the signal at that output is too low, which comes from the signal cable being shorted to ground, and the stop lamp then does not light.
Possible causes
- Signal cable shorted to ground
What you can do
- 1Read and clear the fault code, then check whether it returns when the brake pedal is pressed
- 2With the ignition off, use a multimeter to check that the signal cable to the high-mounted stop lamp has no contact with ground
- 3If the fault remains, have a workshop with diagnostic equipment check the wiring and the REM
Symptoms you may notice1
- The stop lamps do not light when the brake pedal is pressed
General guidance for car owners. Diagnosis on the car can point to a different cause.