Reading Off Diagnostic Trouble Codes (DTCs)
Reading Off Diagnostic Trouble Codes (DTCs)
- Remove the key from the ignition switch.
- Ensure that all doors, the hood and trunk lid are shut.
- Lock the car with the remote control.
- Wait approximately 10 seconds.
- Unlock the car with the remote control.
- Ignition on.
- Read off diagnostic trouble codes (DTCs).
Does diagnostic trouble code (DTC) GLA-421 recur?
Yes - Checking the Connectors
No - Intermittent Fault