Hyundai Equus 2011–2016 — technical service bulletin
Bulletin 21-AT-018H · NHTSA communication 10204249 · issued Nov 8, 2021
Technical service bulletin
communication type
Power Train
component
2011–2016
model years
16
vehicle entries
Official summary
This bulletin describes the procedure to replace the 35R and 4&OD solenoids for a shift flare and/or harsh shift during the 2~3, 3~4 or 4~5 upshift.
Vehicles covered
- 2011 Hyundai Equus
- 2012 Hyundai Equus
- 2013 Hyundai Equus
- 2014 Hyundai Equus
- 2015 Hyundai Equus
- 2016 Hyundai Equus
- 2011 Hyundai Genesis
- 2012 Hyundai Genesis
- 2013 Hyundai Genesis
- 2014 Hyundai Genesis
- 2015 Hyundai Genesis
- 2016 Hyundai Genesis
- 2013 Hyundai Genesis Coupe
- 2014 Hyundai Genesis Coupe
- 2015 Hyundai Genesis Coupe
- 2016 Hyundai Genesis Coupe
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.