Transmission Position Sensor/Switch: Testing and Inspection

A Tech 1 scan tool should display park when in park, reverse when in reverse, neutral when in neutral, drive 3 when in drive 3, drive 2 when in drive 2, or drive 1 when in drive 1. Refer to Diagnostic Trouble Code (DTC) 31 PRNDL Error for transmission range switch diagnosis. Powertrain Controls - ECM/PCM