Bus +/- Signals Open or No Response From Instrument Cluster

Test 1 - 3:

Test 4 - 5:

SYMPTOM
*BUS +/- SIGNALS OPEN OR NO RESPONSE FROM INSTRUMENT CLUSTER

POSSIBLE CAUSES
- Attempt to communicate with the BCM
- Fused B+ circuit open
- Ground circuit open
- Instrument cluster
- PCI bus circuit open
- Body control module