What does code P259E mean?

Q: What does code P259E mean?

Turbocharger A Boost Control Position At Low Limit. P259E indicates that the engine control module has commanded the turbocharger's variable geometry or wastegate actuator to a specific position, but the actuator's position sensor reports it is stuck at or below the low limit. The computer sees the boost control mechanism failing to move away from its minimum position when commanded.

DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P259E

P259ETurbocharger A Boost Control Position At Low Limit

P259E indicates that the engine control module has commanded the turbocharger's variable geometry or wastegate actuator to a specific position, but the actuator's position sensor reports it is stuck at or below the low limit. The computer sees the boost control mechanism failing to move away from its minimum position when commanded.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaVehicle speed, idle control and auxiliary inputs

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