P2046 DODGE - Reductant Temperature Sensor Circuit Intermittent
- Faulty Reductant Temperature Sensor
- Reductant Temperature Sensor harness is open or shorted
- Reductant Temperature Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P2046 Dodge DescriptionThe reductant heater and sender assembly contains pickup tube for reductant pump module, an electric heating element, a reductant temperature sensor and an electrode type level sensor. The heating element is directly above pickup tubes inlet filter. When reductant temperature sensor detects the diesel exhaust fluid temperature dropping to the freezing point of 12°F (-11°C), the PCM will command the glow plug control module to provide voltage to heating element. The heating element thaws liquid reductant within reductant heater and sender assembly reservoir during cold ambient temperatures.
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