This service campaign provides information related to an ECM software update to revise the logic for DTC...
Hyundai technical service bulletin Campaign T4N Dea for 2020 Hyundai Sonata.
- Bulletin number
- Campaign T4N Dea
- Component
- Engine and engine cooling
- Summary
- This service campaign provides information related to an ECM software update to revise the logic for DTC P0456: EVAP System Leakage Detected Very Small Leak.
Owners of these vehicles have filed 32 complaints in the engine category.
Vehicles covered
- Hyundai Sonata 2020 2020
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