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September 12, 2023 Service bulletin

Warning lamp illumination for a diagnostic trouble code P250C that is related to the oil level sensor circuit

Hyundai technical service bulletin 23-EM-004H for 2023 Hyundai Elantra and 2023 Hyundai Kona.

Bulletin number
23-EM-004H
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Certain 2023MY Kona (OS) and Elantra (CN7) vehicles equipped with the 2.0L Nu Atkinson engine may experience a warning lamp illumination for a diagnostic trouble code P250C that is related to the oil level sensor circuit. Follow the service procedure outlined in this bulletin to reprogram the powertrain control module to update the oil level sensor warning light logic. • DTC P250C - “Engine Oil Level Sensor Circuit Low”

Owners of these vehicles have filed 19 complaints in the transmission category.

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