Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




If the control module registers communication with siren's own control module is not correct: The alarm system is voltage charged, the alarm is activated or deactivated the Diagnostic trouble code (DTC) is stored GLA-311 after approximately 2 seconds.

Substitute value
None.

Possible source
- Short-circuit to ground or voltage in communication cable.
- Open-circuit in communication cable.
- Interference affecting communication cable.
- Defective siren.

Fault symptom[s]
- The indicator LED flashes for 15 seconds when the ignition is switched on.
- The siren does not work when the panic button is pressed on the remote control.
- No siren sound when the alarm is activated.