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Volvo All Engines (2017 Emissions) Fault Code: P049D99 PID: EMS EGR “A” Control Position Exceeded Learning Limit
Volvo All Engines (2017 Emissions) Fault Code: P049D99 PID: EMS EGR “A” Control Position Exceeded Learning Limit
Circuit description
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)
Valve position out of range
Probable cause
1) EGR Valve
Volvo All Engines (2017 Emissions) Fault Code: P048012 PID: EMS Fan 1 Control Circuit
Volvo All Engines (2017 Emissions) Fault Code: P048011 PID: EMS Fan 1 Control Circuit
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”