FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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No Response From TCM/Bus (+/-) Signals Open

Tests 1 - 2:




Tests 3 - 5:




Tests 6 - 7:




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

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