Hyundai Palisade 2020–2024 — technical service bulletin
Bulletin 26-TC-001H · NHTSA communication 11033709 · issued Jun 1, 2026
Technical service bulletin
communication type
Suspension
component
2020–2024
model years
5
vehicle entries
Official summary
Some Palisade (LX2) vehicles may produce noise from AWD coupling vibrations when making turns caused by a logic error with the All Wheel Drive Electronic Control Unit (AWD ECU). This bulletin provides instructions to update the AWD ECU to reduce the coupling noise.
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.