TRANSMISSION RANGE SENSOR
DESCRIPTION
The Transmission Range Sensor (TRS) is mounted
to the top of the valve body inside the transmission.
The Transmission Range Sensor (TRS) has six
switch contacts that:
- Determine shift lever position
-
Supply ground to the Starter Relay in Park and
Neutral only.
- Supply ground to the Backup Lamp Relay in
Reverse only.
The TRS also has an integrated temperature sensor
(thermistor) that communicates transmission
temperature to the TCM and PCM.