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April 6, 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 for 2018-2023 Hyundai Sonata, 2019-2023 Hyundai Santa Fe and 2022-2023 Hyundai Tucson and others.

Bulletin number
23-AT-003H
Component
Engine and engine cooling
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 1,240 complaints in the engine category.

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