Volvo All Engines (2017 Emissions) Fault Code: P04D800 PID: EMS Excessive Time To Enter Closed Loop EGR Control
The EGR Valve operation is controlled by the Engine Control Module (ECM) using a pulse width modulated signal. The ECU provides both the power and ground circuits. The EGR Valve assembly consists of a solenoid, operating a valve by hydraulic pressure provided by the engine’s oiling system.
Conditions for diagnostic trouble code (DTC):
1) Engine coolant temperature below 68ºF
Observable symptoms
1) None
Probable cause
1) Engine coolant temperature sensor
Volvo All Engines (2017 Emissions) Fault Code: P048900 PID: EMS EGR “A” Control Circuit Low
Volvo All Engines (2017 Emissions) Fault Code: P048313 PID: EMS Fan Performance
Volvo All Engines (2017 Emissions) Fault Code: P048312 PID: EMS Fan Performance
Volvo All Engines (2017 Emissions) Fault Code: P048301 PID: EMS Fan Performance
Volvo All Engines (2017 Emissions) Fault Code: P048013 PID: EMS Fan 1 Control Circuit
Volvo All Engines (2017 Emissions) Fault Code: P047F00 PID: EMS Exhaust Pressure Control Valve “A” Stuck Open