OBD Guide

P244A

Particulate Filter Differential Pressure Too Low Bank 1

P244A is an OBD-II diagnostic trouble code meaning: Particulate Filter Differential Pressure Too Low Bank 1. Common causes: leak in the exhaust system, malfunction of differential pressure sensors. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • Unusual noises from the exhaust system

Causes

  • Leak in the exhaust system
  • Malfunction of differential pressure sensors
  • Diesel particulate filter clogged or damaged
  • Pressure piping problems
  • Malfunction of the recirculation system valves

How to Fix

  1. Check the exhaust system for leaks
  2. Check the functionality of the pressure sensors
  3. Inspect the particulate filter for damage
  4. Check pipelines and connections for leaks
  5. If necessary, replace the particulate filter

Related codes

Error P244A by Vehicle Brand

FAQ

What does the P244A code mean?

P244A is an OBD-II diagnostic trouble code that indicates: Particulate Filter Differential Pressure Too Low Bank 1

What causes a P244A error code?

The most common causes of P244A include: Leak in the exhaust system; Malfunction of differential pressure sensors; Diesel particulate filter clogged or damaged; Pressure piping problems.

How do I fix a P244A diagnostic trouble code?

To fix P244A: Check the exhaust system for leaks. Check the functionality of the pressure sensors. Inspect the particulate filter for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P244A?

Yes, but get it checked soon

How much does it cost to fix P244A?

The estimated repair cost for P244A is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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