No Response From Transmission Control Module - Body Control System

Test 1 - 2:

Test 3 - 5:

Test 6 - 7:

SYMPTOM
NO RESPONSE FROM TCM

POSSIBLE CAUSES
- Fused B(+) circuit to TCM open
- Ground circuit open
- Fused ignition switch output (run/ST) circuit open
- Fused ignition switch output (start) circuit open
- CCD BUS (+) open to TCM
- CCD BUS (-) open to TCM
- Transmission control module