P071E – Transmission Mode Switch ‘B’ Circuit Low

P071E Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P071E Possible Causes

Faulty Transmission Mode Switch,Transmission Mode Switch harness is open or shorted,Transmission Mode Switch circuit poor electrical connection

P071E Description

The Transmission Control Module (TCM) monitors the Transmission Mode Switch signal. The TCM sets the OBDII code when the Transmission Mode Switch is not to factory specifications.