Volvo All Engines (2010 Emissions) Fault Code: SPN 411 FMI 15 PID: Engine Exhaust Gas Recirculation Differential Pressure

This Diagnostic Trouble Code (DTC) monitors and evaluates malfunctions in the (EGR) Exhaust Gas Recirculation Diff Pressure. A faulty (EGR) Exhaust Gas Recirculation differential Pressure can lead to uneven running and response problems.

Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A14.EA:21 is above normal value

Observable symptoms
1) Uneven engine speed during idle

Probable cause
1) Connector
2) Wiring harness
3) EGR differential pressure sensor