- P1471 Diesel particulate filter (bank 1) regeneration not completed.
- P2002 Diesel particulate filter (bank 1) efficiency below threshold.
- P2003 Diesel particulate filter (bank 1) particulate mass too high.
- P242F Diesel particulate filter (bank 1) regeneration not active.
- P244A Particulate filter differential pressure too low.
- P224B Particulate filter differential pressure too high.
- P2452 Particulate filter differential pressure sensor malfunction.
- P2453 Diesel particulate filter differential pressure – sensor malfunction.
- P2454 Diesel particulate filter differential pressure – sensor voltage too low.
- P2455 Diesel particulate filter differential pressure – sensor malfunction.
- P2458 Particulate filter regeneration maximum regeneration time exceeded.
- P2459 Particulate filter regeneration, regeneration frequency implausible.
- P246C Excessively high pressures on the inlet side indicate a restriction on the DPF.
- P2463 is a generic codethat is defined as “diesel particulate filter restriction”.