PCM Messages Not Received

Symptom:
PCM MESSAGES NOT RECEIVED

When Monitored:
Ignition On - Continuously

Set Condition:
When the ABM detects the PCM is not connected or not functioning correctly for 10 seconds.

Test 1-2:

Test 3:

POSSIBLE CAUSES
- PCM MESSAGES NOT RECEIVED
- ATTEMPT TO COMMUNICATE WITH THE PCM
- PCI BUS CIRCUIT OPEN
- POWERTRAIN CONTROL MODULE