No Communication With BUS

Symptom:
NO COMMUNICATION WITH BUS

Test 1:

Test 2-4:

Test 5-6:

When Monitored:
Ignition On - Continuously

Set Condition:
When the CAB fails to receive all module messages.

POSSIBLE CAUSES
- CAN CIRCUITS SHORTED TO VOLTAGE
- MODULE SHORT TO VOLTAGE
- CAN CIRCUITS SHORTED TO GROUND
- MODULE SHORT TO GROUND
- CAN CIRCUITS SHORTED TOGETHER
- ENGINE CONTROL MODULE
- SENTRY KEY REMOTE ENTRY MODULE