Volvo

Volvo All Engines (2013 Emissions) Fault Code: P204211 PID: ACM Reductant Temperature Sensor

Conditions for diagnostic trouble code (DTC)
The voltage at pin A174.A:35 is below normal value

Observable symptoms
Aftertreatment DEF Frozen

Probable cause
1) Connector
2) Faulty sensor
3) Wiring harness
4) Aftertreatment Control Module (ACM)

Volvo All Engines (2013 Emissions) Fault Code: P204213 PID: ACM Reductant Temperature Sensor

Conditions for diagnostic trouble code (DTC)
Open circuit

Observable symptoms
Aftertreatment DEF Frozen

Probable cause
1) Connector
2) Faulty sensor
3) Wiring harness
4) Aftertreatment Control Module (ACM)

Volvo All Engines (2013 Emissions) Fault Code: P204264 PID: ACM Reductant Temperature Sensor

Circuit description
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)
Signal Plausibility Failure

Probable cause
1) Reductant Temperature Sensor
2) Aftertreatment Diesel Exhaust Fluid (DEF) Pump

Detailed information
To fully verify the repair it may be necessary to activate vehicle functions or perform a test drive

Volvo All Engines (2013 Emissions) Fault Code: P204300 PID: EMS Aftertreatment Reagent Tank Temperature Sensor Stuck

Circuit description
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)
Temperature above 70??C (158??F)

Observable symptoms
No aftertreatment diesel exhaust fluid (DEF) dosage

Probable cause
1) Extreme driving conditions (High ambient temperature)
2) DEF Tank too close to hot object
3) DEF Tank heating valve stuck open
4) DEF Tank Heating Valve installed backwards
5) Temperature Sensor, Aftertreatment diesel exhaust fluid (DEF) tank

Volvo All Engines (2013 Emissions) Fault Code: P204364 PID: ACM Aftertreatment Reagent Tank Temperature Sensor Stuck

Circuit description
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)
Signal Plausibility Failure

Probable cause
1) Reductant Temperature Sensor
2) Aftertreatment Diesel Exhaust Fluid (DEF) Pump

Detailed information
To fully verify the repair it may be necessary to activate vehicle functions or perform a test drive

Volvo All Engines (2013 Emissions) Fault Code: P204364 PID: ACM Aftertreatment Reagent Tank Temperature Sensor Stuck

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) Signal Plausibility Failure

Probable cause
1) Reductant Temperature Sensor
2) Wiring harness

Volvo All Engines (2013 Emissions) Fault Code: P204700 PID: ACM Reductant Injection Valve Control Bank 1 Unit 1

Circuit description
When the aftertreatment selective catalytic reduction (SCR) system operates under normal conditions, the aftertreatment control module (ACM) monitors diesel exhaust fluid (DEF) dosing valve duty cycle and DEF pump control value. When the DEF dosing valve duty cycle increases above allowed threshold and the DEF pump control value decreases below expected threshold, the ACM stops DEF dosing and reports a fault. The fault might be indication of electrical failure or blockage in DEF dosing valve or DEF supply line from the DEF tank.

Conditions for diagnostic trouble code (DTC)
Open circuit

Observable symptoms
No aftertreatment diesel exhaust fluid (DEF) dosage

Probable cause
1) Connector
2) Wiring harness
3) Aftertreatment diesel exhaust fluid (DEF) dosage valve
4) Dosage electronic control unit (ECU), pump unit

Volvo All Engines (2013 Emissions) Fault Code: P204713 PID: ACM Reductant Injection Valve Control Bank 1 Unit 1

When the aftertreatment selective catalytic reduction (SCR) system operates under normal conditions, the aftertreatment control module (ACM) monitors diesel exhaust fluid (DEF) dosing valve duty cycle and DEF pump control value. When the DEF dosing valve duty cycle increases above allowed threshold and the DEF pump control value decreases below expected threshold, the ACM stops DEF dosing and reports a fault. The fault might be indication of electrical failure or blockage in DEF dosing valve or DEF supply line from the DEF tank.

Conditions for diagnostic trouble code (DTC):
1) Open circuit

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

Probable cause
1) Connector
2) Wiring harness
3) Aftertreatment diesel exhaust fluid (DEF) dosage valve
4) Dosage electronic control unit (ECU), pump unit