Code result

P243D

Particulate Filter Regeneration Duration Bank 2

Moderate severity

What it means

Regenerations on bank 2 take longer than calibrated to complete - typically a low EGT during the cycle (cold weather, short trips) or a partially aged catalyst before the DPF.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Regeneration too slow

    high

    One of the most commonly reported causes for this code — check this first.

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