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