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
Diagnostic trouble code (DTC) GLA-531 is stored if the control module registers that the courtesy lighting signal is greater than 1.5 V for 10 seconds when a door is open or when the car is unlocked using the remote control or key.
Substitute Value
None.
Possible Source
- Short-circuit to supply voltage in the signal cable.
- Open-circuit in the signal cable.
- Contact resistance in terminals.
- Internal fault in control module output.
Fault symptom[s]
- Courtesy lighting does not light.