For Shop Owners

P244A - Diesel Particulate Filter Differential Pressure Too Low Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Faulty diesel particulate filter
  • Exhaust leaks before or near the diesel particulate filter pressure sensor
  • Leaks in the diesel particulate filter pressure sensor connecting hose
  • Aftermarket accessories and performance modifications
What does this mean?

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P244A Description

This diagnostic checks to make sure that the aftertreatment Diesel Particulate Filter is present and functioning correctly. The Engine Control Module (ECM) uses the Exhaust Pressure Sensor to monitor the pressure differential through the aftertreatment Diesel Particulate Filter. The ECM will set the fault if it detects that the aftertreatment diesel particulate filter is not present in the aftertreatment/exhaust system. This DTC is a two trip fault. Active regeneration of the aftertreatment Diesel Particulate Filter will be disabled. The ECM will turn off the MIL lamp immediately after the diagnostic runs and passes.
OBDII Code P244a - Diesel Particulate Filter Differential Pressure Too Low Bank 1 -

P244A Information for specific makes

P244A FORD Diesel Particulate Filter Differential Pressure Too Low Bank 1

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P244A Comments

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Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

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Posted and Edit by 01-13-2017

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