Diagnostic trouble code (DTC) information

Condition 

Diagnostic trouble code (DTC) DDM-001B is stored if the driver's door module registers a low signal in the two lock signal cables (locking and unlocking) for more than 2 seconds.

Substitute Value 

• None.

Possible Source 

• Defective locking switch. (Short-circuit in the locking switch.)
• Short-circuit to ground in the two lock signal cables (ULK+LK).

Fault symptom[s] 

• Cannot be operated with a key from the driver's door.