Transletter

Certified Transmission - Transletter ®

August 01, 2011

Chrysler Transmission Range Sensor

Written by Mike Steen - Technical Director
The Transmission Range Sensor (TRS) has 3 primary functions:

1. Provide a PARK/NEUTRAL start signal to the engine controller and the starter relay.

2. Turn the Back-up lamps on when the transmission is in REVERSE and the engine (ignition) is on.

3. Provide a transmission range signal to the instrument cluster.

This relatively simple sensor has caused us problems over the years.