What does code P243E mean?

Q: What does code P243E mean?

Particulate Filter Regeneration Incomplete Bank 2. P243E indicates that the powertrain control module commanded a regeneration of the bank 2 particulate filter but the filter did not reach the expected soot burn-off or temperature target within the allowed time. The computer monitors exhaust temperature sensors and pressure differential across the filter, and it sets this code when the regeneration event fails to complete as expected.

DTC codes / P24xx · Auxiliary emission controls / P243E

P243EParticulate Filter Regeneration Incomplete Bank 2

P243E indicates that the powertrain control module commanded a regeneration of the bank 2 particulate filter but the filter did not reach the expected soot burn-off or temperature target within the allowed time. The computer monitors exhaust temperature sensors and pressure differential across the filter, and it sets this code when the regeneration event fails to complete as expected.

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.