VOLVO
REM-6C18 - Glass break wire. Signal too high
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?
With the alarm on, the module (REM) runs periodic checks on the rear side-window glass break loops. If any of them is shorted to supply voltage, the fault code is stored and the result is a false alarm.
Possible causes
- One of the rear side-window glass break loops is shorted to supply voltage
What you can do
- 1Use a multimeter on the rear side-window glass break loops to confirm that none of them touches supply voltage
- 2Inspect the wiring from the glass breakage loop to the control module for chafing and damage
- 3If the fault remains, have a workshop with diagnostic equipment check the wiring and the rear electronic module (REM)
Symptoms you may notice1
- False alarm
What the fault can affect1
- The alarm sounds
General guidance for car owners. Diagnosis on the car can point to a different cause.