Hyundai Palisade 2018–2021 — technical service bulletin
Bulletin 20-AT-020H · NHTSA communication 10180977 · issued Sep 2, 2020
Technical service bulletin
communication type
Power Train
component
2018–2021
model years
9
vehicle entries
Official summary
This bulletin provides a procedure to transfer pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the transmission learning time and improve the shift quality.
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.