Volvo All Engines (2013 Emissions) Fault Code: P20A200 PID: EMS Aftertreatment Reagent Direction Valve Short Circuit Low

Volvo All Engines (2013 Emissions) Fault Code: P20A200 PID: EMS Aftertreatment Reagent Direction Valve Short Circuit Low

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

Probable cause
1) Valve, Dosage electronic control unit (ECU) (ACM)
2) Dosage electronic control unit (ECU) (ACM)
3) Aftertreatment diesel exhaust fluid (DEF) line