Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have Diagnostic Trouble Code...
Hyundai technical service bulletin 24-01-020H DBP for 2020-2023 Hyundai Sonata.
- Bulletin number
- 24-01-020H DBP (9B1)
- Component
- Fuel/propulsion system
- Summary
- Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have Diagnostic Trouble Code (DTC) P0451 stored in the Electronic Control Unit (ECU). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.
Owners of these vehicles have filed 166 complaints in the fuel system category.
Vehicles covered
- Hyundai Sonata 2020-2023 2020202120222023
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