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June 27, 2023 Service bulletin

This bulletin provides information related to the cleaning of the cooling system and coolant change to...

Hyundai technical service bulletin 23-01-051H-1 for 2022 Hyundai Tucson Hybrid and 2022 Hyundai Santa Fe Plug-In Hybrid.

Bulletin number
23-01-051H-1
Component
Power train
Summary
This bulletin provides information related to the cleaning of the cooling system and coolant change to address the following problem:  “Refill Inverter Coolant” warning light displayed on the cluster  No DTC’s present  Normal level of coolant in Inverter Reservoir Tank  Measured EWP Speed > 2,800 RPM

Owners of these vehicles have filed 29 complaints in the transmission category.

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