U1128 on the 2025 Kia EV6
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| TSB_ELE410 | 2026-01-14. Service bulletin. TECHNICAL SERVICE BULLETIN: 3 WAY VALVE REPLACEMENT (CA2513) - This bulletin provides instructions for inspecting and replacing the High Voltage Battery Cooling System 3-Way Valve on certain 2025MY EV6 (CV1a) vehicles produced from August 21, 2024, through July 7, 2025, which may display an illuminated Malfunction Indicator Lamp (MIL) and Diagnostic Trouble Code (DTC) U112800 due to a voltage deviation within the 3-Way Valve. There are no drivability issues associated with this condition. |
|---|
1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.