VOLVOUU All Engines (2017 Emissions) Fault Code: P249F00 PID: EMS Excessive Time To Enter Closed Loop DPF Regeneration Coil
This diagnostic function monitors the systems ability to maintain and regulate the DPF temperatures within acceptable limits based on current conditions like normal operation or during regenerations.
Conditions for diagnostic trouble code (DTC):
1) Placeholder regeneration target temperature cannot be reached
Observable symptoms
1) Regeneration not possible
Probable cause
1) Charge air system
2) Exhaust system
3) Aftertreatment fuel system
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