VOLVOUU All Engines (2017 Emissions) Fault Code: P009100 PID: EMS Fuel Rail Pressure Regulator Control Circuit Low

VOLVOUU All Engines (2017 Emissions) Fault Code: P009100 PID: EMS Fuel Rail Pressure Regulator Control Circuit Low

Conditions for diagnostic trouble code (DTC)
Short circuit to ground

Observable symptoms
Low torque
Engine de-rated

Probable cause
1) Wiring harness between component connector and electronic control unit (ECU) connector
2) Damaged or faulty component