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August 25, 2023 Service bulletin

If you are servicing an 8-speed vehicle with a “Check Engine” light on and one or more of the DTC listed,...

Hyundai technical service bulletin 23-AT-003H-1 for 2018-2022 Hyundai Sonata, 2019-2023 Hyundai Santa Fe and 2022-2024 Hyundai Tucson and others.

Bulletin number
23-AT-003H-1
Component
Power train
Summary
If you are servicing an 8-speed vehicle with a “Check Engine” light on and one or more of the DTC listed, follow the service procedure and replace the related solenoid and harness.

Owners of these vehicles have filed 673 complaints in the transmission category.

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