SBEC Bus Communication Failure

Test 1 - 3:

Test 4 - 5:

SYMPTOM
SBEC 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 (PCM) for at least 12 seconds.

POSSIBLE CAUSES
- Verifying active DTC
- SBEC bus communication failure
- Attempt to communicate with the PCM
- Powertrain control module
- PCI bus circuit open
- Body control module