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November 3, 2026 Service bulletin

Underbody corrosion due to road salt usage

Hyundai technical service bulletin 26-01-090H for 2010-2015 Hyundai Tucson.

Bulletin number
26-01-090H (9A3)
Component
Structure: body
Summary
Certain Tucson (LM) vehicles may exhibit underbody corrosion due to road salt usage. As a preventative measure, this bulletin provides the procedure to apply a cavity wax coating to internal surfaces of underbody components, and an undercoating spray to exterior surfaces of specified underbody components.

Owners of these vehicles have filed 31 complaints in the body category.

Vehicles covered

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