EATX Bus Communication Failure

Test 1 - 2:

SYMPTOM
EATX BUS COMMUNICATION FAILURE

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

SET CONDITION
The BCM does not receive any messages from the Powertrain Control Module (Transmission information) for at least 18 seconds.

POSSIBLE CAUSES
- Attempt to communicate with the transmission
- Body control module