Hyundai Kona Electric 2019–2023 — technical service bulletin
Bulletin 23-01-073H-1 · NHTSA communication 10244989 · issued Oct 17, 2023
Technical service bulletin
communication type
Power Train
component
2019–2023
model years
5
vehicle entries
Official summary
Certain 19-23MY Kona Electric (OS EV) vehicles may experience a condition of EV warning light ON with DTC P1AA6 to P1AAF found stored. The Battery Management System (BMS) software update will be performed to enhance battery diagnostics logic. Flowchart summary of the service procedure is provided on page 2 summarized as follows: â ¢ Vehicles that do not have EV Warning Light On will only need the BMS software update. â ¢ Certain vehicles incurring EV Warning Light On and DTC P1AA6 found stored with Freeze Frame Data Information Code 1=128 will only require the BMS Update. â ¢ Certain other DTC
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.