Volvo All Engines (2013 Emissions) Fault Code: P049D99 PID: EMS EGR "A" Control Position Exceeded Learning Limit

Volvo All Engines (2013 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

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