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 sense a response from the Power Liftgate Control Module.

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