What does code P243D mean?

Q: What does code P243D mean?

Particulate Filter Regeneration Duration Bank 2. This code indicates that the powertrain control module has detected an abnormal duration for the regeneration event of the diesel particulate filter on bank 2 of the engine. The computer monitors the time or expected completion of the soot burn-off process and sets this code when the regeneration takes too long or does not complete within the modeled window.

DTC codes / P24xx · Auxiliary emission controls / P243D

P243DParticulate Filter Regeneration Duration Bank 2

This code indicates that the powertrain control module has detected an abnormal duration for the regeneration event of the diesel particulate filter on bank 2 of the engine. The computer monitors the time or expected completion of the soot burn-off process and sets this code when the regeneration takes too long or does not complete within the modeled window.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaAuxiliary emission controls

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.