P244B Diesel Particulate Filter Differential Pressure (Solution)

The error code P244B, "Diesel Particulate Filter, Differential Pressure Too High Bank 1," occurs when the diesel particulate filter on cylinder bank 1 of an engine is clogged.

The cause can be excessive soot buildup, which is often caused by excessive short-distance driving or malfunctions in the exhaust gas recirculation system or the temperature sensors on the DPF (diesel particulate filter) or engine.
Excessive oil consumption or a faulty turbocharger can also clog the diesel particulate filter due to the excessive amount of engine oil being burned.
Using the wrong type of engine oil can produce more ash during combustion, so it's important to adhere to the manufacturer's specifications.

Is the engine okay? The problem might be caused by ash that remains in the DPF after regeneration. This ash accumulates with each regeneration cycle and cannot be burned further, causing the DPF to gradually fill up. To be expected and checked approximately after 250,000 km of mileage.

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