Volvo All Engines (2013 Emissions) Fault Code: P110186 PID: EMS Reductant Tank Temperature Sensor Circuit Electrical

Volvo All Engines (2013 Emissions) Fault Code: P110186 PID: EMS Reductant Tank Temperature Sensor Circuit Electrical

Aftertreatment Control Module (ACM) monitors DEF tank temperature and uses it to control the Aftertreatment DEF Tank Heater valve to keep the DEF from freezing.
This temperature monitoring is also used to avoid stopped DEF dosing due to high DEF tank temperatures. If the DEF temperature is too high, reverse flow will be activated, if the temperature stays high for a short duration, a DTC is set.

Conditions for diagnostic trouble code (DTC):
1) Internal fault in component

Observable symptoms
1) No aftertreatment diesel exhaust fluid (DEF) dosage

Probable cause
1) Reagent quality sensor

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