What does code P349C mean?

Q: What does code P349C mean?

Cylinder 5 Deactivation/Intake Valve Performance. P349C indicates that the powertrain control module has detected a performance fault in the cylinder 5 deactivation or intake valve system, meaning the valve did not respond as expected when commanded. The computer monitors valve lift or intake airflow and sets this code when the measured response falls outside the expected range during activation or deactivation.

DTC codes / P34xx · Auxiliary emission controls / P349C

P349CCylinder 5 Deactivation/Intake Valve Performance

P349C indicates that the powertrain control module has detected a performance fault in the cylinder 5 deactivation or intake valve system, meaning the valve did not respond as expected when commanded. The computer monitors valve lift or intake airflow and sets this code when the measured response falls outside the expected range during activation or deactivation.

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.