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Service bulletins for the 2025 Kia EV6

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

38 on file from NHTSA, as of 2026-10-19.

About U1128 on the 2025 Kia EV6: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: U1128 are shown. Show all

Bulletins, newest first
TSB_ELE4102026-01-14. Service bulletin. ELECTRICAL SYSTEM. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.