P244B

Particulate Filter Differential Pressure Too High Bank 1

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–556 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Check engine light comes on
Problems with diesel particulate filter regeneration
Engine transition to emergency mode

Causes

DPF clogged
Malfunction of differential pressure sensors
Problems with the DPF regeneration system
Malfunction of EGR valves
Mechanical damage to the exhaust system

How to Fix

Check the condition of the particulate filter
Diagnose differential pressure sensors
Check DPF regeneration system
Clean or replace the particulate filter if necessary
Check the operation of the EGR system

Related codes

P244A P244C P2459