Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information DDM-U010000

Condition




The Differential Electronic Module (DEM) both sends and receives information from the Engine Control Module (ECM) via the Control Area Network (CAN). If the Differential Electronic Module (DEM) registers that there is no signal from the Engine Control Module (ECM) or a faulty signal is indicated, the trouble code is set.
The diagnostic trouble code can be diagnosed when the ignition is on and when the Control Area Network (CAN) is functioning.

Substitute value
- Four wheel drive is disengaged.

Possible source
- Damaged engine control module (ECM).
- Damaged Control Area Network (CAN).

Fault symptom[s]
- Four wheel drive is not functioning.