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Volvo All Engines (2013 Emissions) Fault Code: P205B64 PID: EMS Reductant Tank Temperature Sensor Circuit Range/Performance

Volvo All Engines (2013 Emissions) Fault Code: P205B64 PID: EMS Reductant Tank Temperature Sensor Circuit Range/Performance

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) The temperature in the tank is below normal

Probable cause
1) Temperature Sensor, Aftertreatment diesel exhaust fluid (DEF) tank
2) Wiring harness
3) Aftertreatment diesel exhaust fluid (DEF) tank heater valve
4) DEF Tank Heating Valve installed backwards

Volvo All Engines (2013 Emissions) Fault Code: P205A13 PID: EMS Reductant Tank Temperature Sensor
Volvo All Engines (2013 Emissions) Fault Code: P204C00 PID: EMS Aftertreatment Reagent Pressure Sensor Circuit Low
Volvo All Engines (2013 Emissions) Fault Code: P204800 PID: EMS Aftertreatment Reagent Dosing Valve Short Circuit Low
Volvo All Engines (2013 Emissions) Fault Code: P203F00 PID: EMS Reductant Level Low
Volvo All Engines (2013 Emissions) Fault Code: P203D00 PID: EMS Aftertreatment Reagent Level Short Circuit High
Volvo All Engines (2013 Emissions) Fault Code: P203A13 PID: EMS Reductant Level Sensor “A”