Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

GLA-551




Diagnostic Trouble Code (DTC) Information

Condition

Diagnostic trouble code (DTC) GLA-551 is stored if the control module registers that the unlocking signal from the childlock switch is less than 1.5 V for 10 seconds when the ignition is on.

Condition

- None.

Possible source

- The childlock switch in the dashboard is sticking or has jammed in the unlocked position.
- Short-circuit to ground in the signal cable from the childlock switch in the dashboard.

NOTE: The diagnostic trouble code (DTC) is stored if the childlock switch is held depressed in the unlocking position for at least 10 seconds. Fault causes of this type are not included in the fault-tracing procedure.

Condition

- When the faults occurs the doors are locked or unlocked and the central locking is put out of function.