Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic trouble code (DTC) information
Condition
Diagnostic trouble code (DTC) GLA-512 is stored if the control module registers that the signal for unlocking from the driver's door switch is less than 1.5 V for 10 seconds when the ignition is on.
Substitute Value
None.
Possible Source
- The control switch in the driver's door lock unit sticks or has jammed in the locked position.
- Signal cable for unlocking from the driver's door lock unit is short-circuited to ground.
The diagnostic trouble code (DTC) is stored if the door key is turned to unlock the driver's door and is held in this position for at least 10 seconds. Fault causes of this type are not included in the fault-tracing procedure.
Fault symptom[s]
- When the faults occurs the doors are unlocked and the central locking is put out of function.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.