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August 9, 2018 Service bulletin

This bulletin provides the procedure to update the TCU for shift shock when decelerating at slow speeds.

Hyundai technical service bulletin 5NP-X7G2S-09 for 2018 Hyundai Sonata.

Bulletin number
5NP-X7G2S-09
Component
Vehicle speed control
Summary
This bulletin provides the procedure to update the TCU for shift shock when decelerating at slow speeds.

Owners of these vehicles have filed 19 complaints in the acceleration category.

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