VOLVO
REM-6C20 - Siren Internal fault
System
Rear Electronic Module (REM)
Volvo models this fault code applies to
Applies to the following models:
1 modelXC90 (2003–)
Show models by year and engine (1)
What does this fault code mean?
Check messages let the module (REM) monitor the siren (BBS). The fault code is stored when the siren has registered an internal fault, and then no sound is heard when the alarm goes off.
Possible causes
- Internal fault in the siren
What you can do
- 1Activate the alarm and check whether the siren sounds. If no sound is heard, the fault is confirmed
- 2Check that the connector to the siren is secure and free from oxidation
- 3If the fault remains, have a workshop replace the siren
Symptoms you may notice1
- No audible signal when the alarm is triggered
General guidance for car owners. Diagnosis on the car can point to a different cause.