Volvo All Engines (2017 Emissions) Fault Code: P203A13 PID: ACM Reductant Lever Sensor “A”
Volvo All Engines (2017 Emissions) Fault Code: P203A13 PID: ACM Reductant Lever Sensor “A”
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.
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)
Open circuit between Electronic Control Unit and Sensor
Observable symptoms
Engine de-rated
Probable cause
1) Connector
2) Wiring harness
3) Fuse: FT01
4) Fuse: FE5
5) Reductant Level Sensor “A”
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