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June 19, 2020 Service bulletin

This service campaign provides instructions to update both the ECM (Engine Control Module) and the TCM...

Hyundai technical service bulletin Campaign TWW Dea for 2015-2017 Hyundai Sonata.

Bulletin number
Campaign TWW Dea
Component
Engine and engine cooling
Summary
This service campaign provides instructions to update both the ECM (Engine Control Module) and the TCM (Transmission Control Module) to improve the shift quality of the DCT (Dual Clutch Transmission) for these vehicles.

Owners of these vehicles have filed 1,517 complaints in the engine category.

Vehicles covered

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