No Response From Transmission Control Module
Test 1 Through 3:
Test 4 Through 6:
Test 7 Through 8:
Symptom:
*NO RESPONSE FROM TCM
POSSIBLE CAUSES
FUSED B(+) CIRCUIT TO TCM OPEN
FUSED IGNITION SWITCH OUTPUT (RUN/ST) CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT OPEN
GROUND CIRCUIT OPEN
OTHER BUS PROBLEMS PRESENT
PCI BUS CIRCUIT OPEN
TCM PCI BUS