[amidgeha]

Stuck In Reverse

The Transmission Control Module (TCM) monitors the transmission gear. The TCM sets the OBDII code when the transmission is not at the gear the TCM commands.

Cause:
Transmission mechanical problems
Faulty transmission valve body
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