No Response From Transmission Control Module - NGC

Test 1-2:

Test 3-4:

Test 5-6:

SYMPTOM
NO RESPONSE FROM TRANSMISSION CONTROL MODULE - NGC

POSSIBLE CAUSES
- No response from transmission control module
- Fused ignition switch output circuit open
- Fused B(+) circuit open
- Ground circuit(s) open
- PCI BUS circuit open
- Powertrain control module