Loss of FCM Messages

Tests 1 - 2:

SYMPTOM
LOSS OF FCM MESSAGES

WHEN MONITORED
Whenever the ignition is in the RUN position.

SET CONDITION
If the PLG Module does not receive a temperature message from the Front Control Module for over 5 seconds, this code Will set.

POSSIBLE CAUSES
- Attempt to communicate with the front control module
- Power liftgate module - loss of FCM messages