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Home >> Dodge or Ram Truck >> 2012 >> RAM 3500 Truck 4WD L6-6.7L DSL Turbo High Output >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Sensors and Switches - Emission Control Systems >> Diesel Emissions Fluid Temperature Sensor >> Description and Operation >> Diesel Exhaust Fluid Ambient Temperature Sensor - Description

Diesel Exhaust Fluid Ambient Temperature Sensor - Description





DESCRIPTION

The ambient temperature sensor monitors the underbody temperature surrounding the Diesel Exhaust Fluid (DEF) supply pump and communicates to the ECU when the DEF system heaters are required.

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