RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo (2008)
Transmission Temperature Sensor/Switch: Description and Operation
Description
DESCRIPTION
The Transmission Range Sensor (TRS) is part of the solenoid module, which is mounted to the top of the valve body inside the transmission.
The Transmission Range Sensor (TRS) has five switch contact pins that:
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Determine shift lever position
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Supply ground to the Starter Relay in Park and Neutral only.
The TRS also has an integrated temperature sensor (thermistor) that communicates transmission temperature to the TCM and PCM.
