Transmission Position Sensor/Switch: Description and Operation

Transmission Position Switch:

Purpose:
The PARK/NEUTRAL switch indicates to the computer when the transmission is in PARK, NEUTRAL or DRIVE.

Operation:
This information is used by the computer for Idle Air Control (IAC) operation, EGR operation as well as transmission Torque Converter Clutch (TCC) operation. DO NOT drive the vehicle with the PARK/NEUTRAL switch disconnected, since idle quality may be affected.

Location:
The Park/Neutral switch is located on the base of the shifter in the center console.