VOLVOUU All Engines (2013 Emissions) Fault Code: P20F500 PID: EMS Reductant Consumption Too High

VOLVOUU All Engines (2013 Emissions) Fault Code: P20F500 PID: EMS Reductant Consumption Too High

Conditions for diagnostic trouble code (DTC):
1) Aftertreatment diesel exhaust fluid (DEF) is used and the level change does not correspond to the consumption

Observable symptoms
1) Too high consumption

Probable cause
1) Fluid leakage
2) Wrong tank
3) Aftertreatment diesel exhaust fluid (DEF) dosage valve