DDM Messages Not Received

Test 1 - 2:

SYMPTOM
DDM MESSAGES NOT RECEIVED

WHEN MONITORED
With the ignition in run or ACC and vehicle not in shipping mode.

SET CONDITION
The module does not receive any messages from the DDM. Time to mature for the BCM, IPM and PDM is 5 seconds.

POSSIBLE CAUSES
- Attempt to communicate with the driver door module
- Module