Located behind front bumper. Although very small and seemingly insignificant, this is a critical sensor, as it signals ambient/outside air temperature to the engine control module.
For all models with rear heater and rear A/C (secondary A/C compressor, roof A/C) Dodge accessory codes, HBD & HDC
If your existing control unit is labeled with MB part number 903 830 13 85, this is the correct unit for your vehicle. Up to VIN ending in 358552(For later version, see below)
28 Amp blower resistor which controls the heater and A/C blower motor speed. Often, if this unit is burned out, the blower will only operate at the highest speed and none of the lower speeds.
For all vehicles with Tempmatik Climate Control: This is used for both the main heater and A/C blower motor, as well as those models equipped with roof-mounted rear A/C. Check your version before ordering.
This is an original Behr product and is the exact same unit sold at a Dodge, Freightliner or Mercedes dealer.