Volvo All Engines (2013 Emissions) Fault Code: P20DD01 PID: EMS Exhaust Aftertreatment Fuel Supply Control

Volvo All Engines (2013 Emissions) Fault Code: P20DD01 PID: EMS Exhaust Aftertreatment Fuel Supply Control

Conditions for diagnostic trouble code (DTC):
1) General Electrical Failure

Diagnostic operating conditions
1) Ignition key in ON position

Observable symptoms
1) Regeneration not possible

Probable cause
1) Connector
2) Aftertreatment Fuel Pressure Sensor
3) Incorrectly installed sensor
4) Wiring harness