No Response From Transmission Control Module - Body Control System

Tests 1 - 3:

Tests 4 - 8:

SYMPTOM
NO RESPONSE FROM THE TRANSMISSION CONTROL MODULE

POSSIBLE CAUSES
- CCD BUS(+) circuit open
- Fused ignition switch output circuit open
- Ground circuits open
- Fused battery (+) circuit open
- CCD bus(-) circuit open
- SCI receive circuit open
- SCI transmit circuit open
- TCM - no communication