Volvo

The Aftertreatment Hydrocarbon Dosing Module contains three non serviceable valves, the Aftertreatment Fuel Shutoff Valve, Aftertreatment Purge Air Valve and Aftertreatment Hydrocarbon Dosing Valve, and a serviceable Aftertreatment Fuel Pressure Sensor.During DPF regeneration the Engine Control Module (ECM) sends a voltage signal to activate the Aftertreatment Fuel Shutoff Valve to the open position. This allows fuel to flow into the Aftertreament Hydrocarbon Dosing Module. The Aftertreatment Fuel Pressure Sensor monitors the fuel pressure value and sends a reference signal to the ECM. The ECM then sends a PWM signal to the Aftertreatment Hydrocarbon Dosing Valve that regulates the amount of...

The following components are connected to a common 12?V supplyR31: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1R29: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3A138: Aftertreatment Diesel Exhaust Fluid (DEF) Return ValveA138: Aftertreatment Diesel Exhaust Fluid (DEF) Pump MotorY81: Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater ValveIf an abnormal voltage or current is detected on the common supply a DTC is set Conditions for diagnostic trouble code (DTC):1) The voltage at pin A137:44 is above normal value Observable symptoms1) None Probable cause1) Wiring harness2) Connector3) R31: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 14) R29: Aftertreatment Diesel Exhaust Fluid...

The following components are connected to a common 12?V supplyR31: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1R29: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3A138: Aftertreatment Diesel Exhaust Fluid (DEF) Return ValveA138: Aftertreatment Diesel Exhaust Fluid (DEF) Pump MotorY81: Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater ValveIf an abnormal voltage or current is detected on the common supply a DTC is set Conditions for diagnostic trouble code (DTC):1) The current at pin A137:44 is above normal value2) The voltage at pin A137:44 is below normal value Observable symptoms1) Selective catalytic reduction (SCR) system does not function2) Possible engine de-rate...

The following components are connected to a common 12?V supplyR31: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1R29: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3A138: Aftertreatment Diesel Exhaust Fluid (DEF) Return ValveA138: Aftertreatment Diesel Exhaust Fluid (DEF) Pump MotorY81: Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater ValveIf an abnormal voltage or current is detected on the common supply a DTC is set Conditions for diagnostic trouble code (DTC):1) Open circuit Observable symptoms1) Selective catalytic reduction (SCR) system does not function Probable cause1) Wiring harness2) Connector Volvo All Engines (2010 Emissions) Fault Code: SPN 3597 FMI 4 PID: PSID 119...

The following components are connected to a common 12?V supplyA95: Aftertreatment Diesel Particulate Filter (DPF) Atomization ModuleY76: Aftertreatment ignition coilY103A: Aftertreatment fuel shut-off valveM15: Aftertreatment Fuel PumpY77: Aftertreatment Diesel Particulate FIlter (DPF) Combustion Air ValveIf an abnormal voltage or current is detected on the common supply a DTC is set Conditions for diagnostic trouble code (DTC):1) Engine Turbo Compressor Bypass Valve, Stuck in one position Observable symptoms1) Regeneration not possible2) Possible engine de-rate3) Low Power Probable cause1) Low air pressure2) Charge air system leakage3) ETCBV Hose4) ETCBV Sealing ring5) Engine Turbo Compressor Bypass Valve6) ETCBV, Solenoid valve(s)7) Turbocharger Detailed information1)...