Volvo All Engines (2017 Emissions) Fault Code: P249F92 PID: EMS Excessive Time To Enter Closed Loop DPF Regeneration Control
Volvo All Engines (2017 Emissions) Fault Code: P249F92 PID: EMS Excessive Time To Enter Closed Loop DPF Regeneration Control
Circuit description
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)
DPF regeneration target temperature cannot be reached
Observable symptoms
Regeneration not possible
Probable cause
1) Charge air system
2) Exhaust system
3) Aftertreatment fuel system
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