Hyundai Elantra N 2021–2023 — technical service bulletin
Bulletin 23-AT-002H · NHTSA communication 10237183 · issued May 10, 2023
Technical service bulletin
communication type
Power Train
component
2021–2023
model years
13
vehicle entries
Official summary
This bulletin provides service procedures to prevent possible moisture intrusion of the HP EOP (High Flow Electric Oil Pump) connector when servicing the 8-speed wet dual clutch transmission (8WDCT). If moisture enters the HF EOP connector, this can result in corrosion and insufficient connection of the terminals.
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.