P205B GMC - Reductant Tank Temperature Sensor Circuit Range/Performance
- Faulty Reductant Tank Temperature Sensor
- Reductant Tank Temperature Sensor harness is open or shorted
- Reductant Tank Temperature Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P205b Gmc DescriptionThe Reductant Tank Temperature sensor is mounted internal to the Reductant Tank Level Sensor. It is used to control the activation of the Reductant Tank Heater as well as an enabler to the Level Sensor (which cannot read level when the reductant is frozen).
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