[amidgeha]

TCM Power Input Signal Low

When the power supply to the Transmission Control Module (TCM) is cut “OFF”, for example because the battery is removed, and the self-diagnostics memory function stops, malfunction is detected.

Cause:
Low battery power
Faulty Transmission Control Module (TCM)
Transmission Control Module (TCM) harness is open or shorted
Transmission Control Module (TCM) circuit poor electrical connection

Symptoms:
Check engine light