Hyundai Sonata 2013–2014 — technical service bulletin
Bulletin 20-AT-023H · NHTSA communication 10182299 · issued Oct 5, 2020
Technical service bulletin
communication type
Power Train
component
2013–2014
model years
2
vehicle entries
Official 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.