FCM, TCM Communication Fault

Tests 1 - 2:

SYMPTOM
FCM, TCM COMMUNICATION FAULT

WHEN MONITORED
With the ignition in run, and the IOD fuse installed.

SET CONDITION
The FCM does not receive any messages from the Transmission Control Module (TCM) for at least 5 seconds.

POSSIBLE CAUSES
- Attempt to communicate with the TCM
- Front control module