Is It Safe to Drive With a P244B Code?
Common Symptoms of a P244B Fault
DPF warning light
Limp mode — power severely restricted
EML on
Reduced fuel economy
Failed regeneration attempts
Possible Causes of P244B
A P244B code can be triggered by faults across several systems. Identifying the exact root cause requires proper diagnostic equipment and live data — not just reading the code.
DPF Severely Blocked
DPF is heavily blocked with soot — forced regeneration or replacement may be needed.
DPF Pressure Sensor Fault
Differential pressure sensor giving false high reading.
DPF Sensor Pipe Issue
Pipe to sensor partially blocked causing artificially high reading.
Wiring Fault
Electrical fault causing high sensor signal.
Why we don't list the exact part: A P244B code tells you what's happening but not why. Replacing parts without diagnosis is the most common way drivers waste money. A proper diagnosis identifies the specific cause first.
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P244B and Your MOT
A stored P244B fault code will cause your car to fail its MOT. The engine management light will be illuminated during the test — an automatic failure. Get the fault diagnosed and repaired, then have the code cleared before booking your test.