# 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.

## Bulletins for this model year that name U1128

- [11027618](https://open.wenmarpro.com/bulletins/11027618), 2026-01-14: 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.