Equipment
Hyundai technical service bulletin 22-01-043H for 2019-2020 Hyundai Elantra, 2019-2021 Hyundai Veloster and 2019-2021 Hyundai Kona.
- Bulletin number
- 22-01-043H
- Component
- Equipment
- Summary
- Hyundai is conducting a service campaign to enhance the knock sensor logic with the Cylinder Noise Diagnostic System (CNDS) software update. CNDS is to detect abnormal cylinder wall scuffing or noise of the engine block before potentially severe engine damage occurs. If abnormal noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously. In addition, DTC P1327 will be recorded in the ECM.
Vehicles covered
- Hyundai Elantra 2019-2020 20192020
- Hyundai Veloster 2019-2021 201920202021
- Hyundai Kona 2019-2021 201920202021
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