Volvo

Volvo All Engines (2013 Emissions) Fault Code: P203711 PID: ACM Reductant Injection Air Pressure Sensor “A”

Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A174.A:47 is less than 0.15?V

Diagnostic operating conditions
1) Ignition key in ON position

Observable symptoms
1) Uncontrolled air consumption

Probable cause
1) Short circuit to ground
2) Connector
3) Wiring harness
4) Aftertreatment Control Module (ACM)

Volvo All Engines (2013 Emissions) Fault Code: P203712 PID: ACM Reductant Injection Air Pressure Sensor “A”

Conditions for diagnostic trouble code (DTC)
The voltage at pin A174.A:47 is above normal value

Diagnostic operating conditions
Ignition key in ON position

Observable symptoms
Uncontrolled air consumption

Probable cause
1) Short circuit to voltage supply
2) Aftertreatment Control Module (ACM)
3) Connector
4) Wiring harness

Volvo All Engines (2013 Emissions) Fault Code: P203713 PID: ACM Reductant Injection Air Pressure Sensor “A”

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

Diagnostic operating conditions
1) Ignition key in ON position

Observable symptoms
1) Uncontrolled air consumption

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

Volvo All Engines (2013 Emissions) Fault Code: P203764 PID: ACM Reductant Injection Air Pressure Sensor “A”

Circuit description
This function is used to calculate the EGR Mass Flow. The Engine Control Module (ECM) monitors the EGR differential pressure sensor and the EGR temperature sensor after cooler and uses these signals to calculate the EGR Mass Flow data.

Conditions for diagnostic trouble code (DTC)
Signal Plausibility Failure

Probable cause
1) Air leakage
2) Nozzle
3) Air line
4) Air pressure sensor
5) Wiring harness
6) Air supply

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: P203864 PID: ACM Reductant Injection Air Pressure Sensor “A”

Circuit description
This function is used to calculate the EGR Mass Flow. The Engine Control Module (ECM) monitors the EGR differential pressure sensor and the EGR temperature sensor after cooler and uses these signals to calculate the EGR Mass Flow data.

Conditions for diagnostic trouble code (DTC)
Signal Plausibility Failure

Probable cause
1) Air leakage
2) Nozzle
3) Air line
4) Air pressure sensor
5) Wiring harness
6) Air supply

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: P203A01 PID: ACM Reductant Lever Sensor “A”

Conditions for diagnostic trouble code (DTC)
Faulty device or component

Probable cause
1) Aftertreatment diesel exhaust fluid (DEF) tank, Level Sensor, Temperature Sensor
2) Incorrectly installed sensor

Volvo All Engines (2013 Emissions) Fault Code: P203A11 PID: ACM Reductant Lever Sensor “A”

Aftertreatment diesel exhaust fluid (DEF) tank, Level Sensor.
Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor has an indicator lamp and gauge in the instrument cluster. A solid lamp comes on when there is approximately 16% DEF remaining in the tank. A flashing lamp indicates when there is approximately 4% DEF remaining in the tank. A 25% engine derate is possible if the DEF is not refilled above the red line on the gauge at the next engine start up.

Conditions for diagnostic trouble code (DTC)
Short circuit to lower voltage

Observable symptoms
The Aftertreatment diesel exhaust fluid (DEF) tank level gauge remains permanently at the minimum level

Probable cause
1) Aftertreatment diesel exhaust fluid (DEF) tank, Level Sensor.