Volvo All Engines (2017 Emissions) Fault Code: P10CE97 PID: ACM Reductant Return No Flow Detected
Volvo All Engines (2017 Emissions) Fault Code: P10CE97 PID: ACM Reductant Return No Flow Detected
The aftertreatment control module (ACM) uses the aftertreatment diesel exhaust fluid (DEF) dosing pressure sensor value to adjust and maintain DEF pressure at the DEF dosing valve by controlling DEF pump speed. If the pressure decreases below expected value when the pump is in initial pressure build-up mode or if the pressure increases above expected value when pump is in idle speed mode, the ACM considers DEF pressure outside of normal operating range and indicates a malfunction in a DEF dosing pressure sensor.
Conditions for diagnostic trouble code (DTC):
1) ACM_ Urea Pressure above 500 kPa
Observable symptoms
1) Aftertreatment DEF Pump Bleed Orifice
Probable cause
1) Restricted orifice in the aftertreatment fuel manifold
2) Damaged hoses and/or connections
3) Aftertreatment Diesel Exhaust Fluid (DEF) Pump
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