Liftgate Module Messages Not Received

Test 1 - 3:

Test 4:

SYMPTOM
LIFTGATE MODULE MESSAGES NOT RECEIVED

WHEN MONITORED
When the Body Control Module is awake.

SET CONDITION
The BCM does not receive any messages from the power liftgate module. Time to mature for the BCM is 1 second.

POSSIBLE CAUSES
- Check for DTCs
- Verify DTC
- Attempt to communicate with the power liftgate module
- Body control module