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Home >> Ford >> 2012 >> Explorer Base, 2.0 9 >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> DTC P249F: Excessive Time To Enter Closed Loop DPF Regeneration Control

DTC P249F: Excessive Time To Enter Closed Loop DPF Regeneration Control

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC P249F: EXCESSIVE TIME TO ENTER CLOSED LOOP DPF REGENERATION CONTROL

Description:  The PCM monitors the diesel particulate filter to determine that closed loop control of a regeneration event occurs within a reasonable amount of time. This DTC sets when time in closed-loop operation is less than an expected threshold.
Possible Causes: 
  • Damaged exhaust gas temperature bank 1, sensor 2 (EGT12) sensor
  • Fuel injection concern
  • Damaged diesel oxidation catalyst
  • Biased diesel particulate filter pressure bank 1, sensor 1
  • Damaged diesel particulate filter pressure bank 1, sensor 1
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST RC .
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