Bus (+/-) Signals Open/No Response From TCM

Tests 1 - 2:

Tests 3 - 5:

Tests 6 - 7:

SYMPTOM
BUS +/- SIGNALS OPEN OR NO RESPONSE FROM TRANSMISSION CONTROL MODULE

POSSIBLE CAUSES
- No response from transmission control module
- Fused ignition switch output (run/st) circuit open
- Fused ignition switch output (start) circuit open
- Fused B(+) circuit open
- Ground circuit(s) open
- Transmission control module
- PCI bus circuit open
- Body control module