Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have DTC P0451 stored in the...
Hyundai technical service bulletin 24-01-020H TSB for 2020-2023 Hyundai Sonata.
- Bulletin number
- 24-01-020H TSB (9B1)
- Component
- Fuel/propulsion system
- Summary
- Certain 2021-2023MY Sonata (DN8) and 2020-2022MY Sonata (DN8A) vehicles may have DTC P0451 stored in the ECU. Follow this bulletin to inspect the check valve, fuel pump cover and fuel tank, and update the ECU. If necessary, replace the check valve and/or fuel tank based on inspection results.
Owners of these vehicles have filed 166 complaints in the fuel system category.
Vehicles covered
- Hyundai Sonata 2020-2023 2020202120222023
VIN decoder
See the problems and recalls for an exact car
Buying a used Hyundai Sonata?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history