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May 10, 2023 Service bulletin

This bulletin provides service procedures to prevent possible moisture intrusion of the HP EOP (High Flow...

Hyundai technical service bulletin 23-AT-002H for 2021-2023 Hyundai Sonata, 2021-2023 Hyundai Santa Fe and 2021-2022 Hyundai Veloster and others.

Bulletin number
23-AT-002H
Component
Power train
Summary
This bulletin provides service procedures to prevent possible moisture intrusion of the HP EOP (High Flow Electric Oil Pump) connector when servicing the 8-speed wet dual clutch transmission (8WDCT). If moisture enters the HF EOP connector, this can result in corrosion and insufficient connection of the terminals.

Owners of these vehicles have filed 345 complaints in the transmission category.

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