Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information DDM-DD21

Condition
The Driver door module (DDM) communicates with the camera on the driver's side of the vehicle via LIN communication. The diagnostic trouble code (DTC) is stored if the control module registers that the signal cable for LIN communication with the camera has a short-circuit to supply voltage or ground.

Substitute value
- None.

Possible source
- Short-circuit to ground or supply voltage in LIN bus.

Fault symptom[s]
- LED does not light
- Message in information display