Kia EV9 2024–2026 — technical service bulletin
Bulletin PS814 · NHTSA communication 11037369 · issued Sep 16, 2026
Technical service bulletin
communication type
Electrical System
component
2024–2026
model years
3
vehicle entries
Official summary
This Pitstop provides information related to Electric Vehicle (EV) charging on 2024 - 2026MY EV9 (MV1, MV1a) vehicles. In some cases, high-voltage charging performance may be limited or inoperative and accompanied by an illuminated malfunction indicator lamp (MIL) with DTC P343A98 stored. This condition may occur if the Electric Water Pump #1 (Power Electronics) E65 connector and Electric Water Pump #2 (High-Voltage Battery) E66 connector being inadvertently swapped.
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.