Kia EV6 2025–2026 — technical service bulletin
Bulletin PS804 · NHTSA communication 11027857 · issued Jan 26, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
3
vehicle entries
Official summary
TECHNICAL OPERATIONS: NACS VEICLE CHARGING ERROR W/ DTC P343B16 (PS804) - This Pitstop provides information regarding an Electric Vehicle ‘EV’ charging error accompanied by DTC P343B16 on certain 2025-2026MY EV6 (CVa) and 2026MY EV9 (MVa) vehicles equipped with Combined Charging System Combo 1 (“CCS1,” also known as SAE J1772 Combo) charging ports. When using the wrong CCS1 to North American Charging Standard ‘NACS’ adapter, proper electrical connections are not made between the charger to adapter and adapter to vehicle charging port, resulting in a charging error which can cause DTC P343B16 t
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.