Bus (+/-) Signals Open From BCM

Tests 1 - 4:

Tests 5 - 6:

SYMPTOM
BUS +/- SIGNALS OPEN FROM BODY CONTROL MODULE

POSSIBLE CAUSES
- Open ground circuit at the junction block connector C2
- Open ground circuit at the junction block connector C3
- Open fused B+ circuit (junction block)
- Open ground circuit at the junction block body control module conn CAV 1
- Open ground circuit at the junction block body control module conn CAV 20
- Body control module