Pinpoint Test Z : U0140:00: Notes
Normal Operation and Fault Conditions
The DDM and PDM communicate with the BCM over the Medium Speed Controller Area Network (MS-CAN).
If the DDM or PDM do not receive messages from the BCM, features such as Power Door Locks, puddle lamps, exterior mirror turn signal, and door switch illumination can become inoperative.
DDM/ PDM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140:00 | Lost Communication With Body Control Module: No Sub-Type Information | Sets when the DDM or PDM detects data messages are missing from the BCM. |
Possible Causes
- Network communication concern
- PDM
- DDM
- BCM