October 5, 2020 Service bulletin

This bulletin provides the procedure to identify the correct transmission part number for 2013~14 Sonata...

Hyundai technical service bulletin 20-AT-023H for 2013-2014 Hyundai Sonata.

Bulletin number: 20-AT-023H
Component: Power train
Summary: This bulletin provides the procedure to identify the correct transmission part number for 2013~14 Sonata (YF) 2.4L by referring to the transmission number. Some transmissions installed during the transition from 2013 to 2014 model years may be mixed from 8/20/2013 to 10/17/2013. NOTE: An incorrect transmission part number may cause a 2-3 shift flare.

Owners of these vehicles have filed 149 complaints in the transmission category.

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