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Volvo All Engines (2017 Emissions) Fault Code: P048011 PID: EMS Fan 1 Control Circuit
Volvo All Engines (2017 Emissions) Fault Code: P048011 PID: EMS Fan 1 Control Circuit
Circuit description
Electronic Viscous Fan: The Electronic Fan Drive contains a solenoid that controls the flow of fluid between reservoirs in the fan drive housing and cover. The Engine Control Module (ECM) provides a (PWM) Pulse Width Modulation signal to the solenoid and controls solenoid operation to optimize fan speed, based on coolant temperature, intake air temperature and A/C load.
Observable symptoms
Engine fan permanently disengaged
High engine coolant temperature (ECT)
Probable cause
1) Connector
2) Wiring harness
3) Solenoid valve, engine fan
4) Engine Control Module
Volvo All Engines (2017 Emissions) Fault Code: P047F71 PID: EMS Exhaust Pressure Control Valve “A” Stuck Open
Volvo All Engines (2017 Emissions) Fault Code: P047572 PID: EMS Exhaust Pressure Control Valve “A”
Volvo All Engines (2017 Emissions) Fault Code: P047512 PID: EMS Exhaust Pressure Control Valve “A”
Volvo All Engines (2017 Emissions) Fault Code: P047511 PID: EMS Exhaust Pressure Control Valve “A”
Volvo All Engines (2017 Emissions) Fault Code: P047064 PID: EMS Exhaust Pressure Sensor “A”
Volvo All Engines (2017 Emissions) Fault Code: P047012 PID: EMS Exhaust Pressure Sensor “A”