Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) GLA-311 is stored after approximately 2 seconds if the control module registers an error in communication with the siren control module when the alarm system is powered up or when the alarm is activated or deactivated.

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 will not then work when the panic button is pressed on the remote control.
- No siren sound when the alarm is activated.