Hyundai Elantra 2023 — technical service bulletin
Bulletin 23-EM-004H · NHTSA communication 10243319 · issued Sep 12, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
2
vehicle entries
Official 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. â ¢ DTC P250C - â Engine Oil Level Sensor Circuit Lowâ
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.