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Hyundai TSB #5NP-Q4Q4Z-12
2017 Hyundai Sonata
Affected Component: ELECTRICAL SYSTEM: SOFTWARE
- This bulletin provides the procedure to update both the ECM (Engine Control Module) and the TCM (Transmission Control Module) on some 2017 Hyundai Sonatas equipped with a 7-speed EcoShift® Dual Clutch Transmission (DCT). The update will address: ? A slight hesitation at low speeds that can be experienced in certain driving conditions. This update improves the low speed engine and transmission response.
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