Diagnostic trouble code (DTC) information
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Condition
If the control module registers that the voltage level in the sirens internal battery is < 2.5 V when: the alarm system is powered up or the alarm is activated/deactivated, then diagnostic trouble code (DTC) GLA-312 is stored after 2 seconds.
Substitute Value
None.
Possible Source
- Defective internal battery.
- Fault in 15 I-supply to the siren.
- Defective siren.
Fault symptom[s]
- The indicator LED flashes for 15 seconds when the ignition is switched on.