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April 12, 2023 Service bulletin

In certain areas, a vehicle’s underbody may exhibit corrosion due to road-salt usage

Hyundai technical service bulletin 23-01-034H for 2009-2014 Hyundai Genesis, 2010-2016 Hyundai Genesis Coupe and 2011-2016 Hyundai Equus.

Bulletin number
23-01-034H
Component
Structure
Summary
In certain areas, a vehicle’s underbody may exhibit corrosion due to road-salt usage. As a preventative measure, a cavity wax coating is applied to the internal surfaces of underbody components and an undercoating spray is applied to exterior surfaces of specified underbody components. The service campaign describes the procedure to perform this preventative service on certain 2009-2014MY Genesis Sedan (BH), 2011-2016MY Equus (VI), and 2010-2016MY Genesis Coupe (BK) vehicles.

Owners of these vehicles have filed 28 complaints in the body category.

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