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Service bulletins for the 2024 Kia EV9

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.

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

About C1126 on the 2024 Kia EV9: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: C1126 are shown. Show all

Bulletins, newest first
TSB_ELE348_R12024-07-18. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BDC-BCM LOGIC IMPROVEMENT FOR DTC C1126 (SA579) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to improve the Body Domain Controller (BDC) – Body Control Module (BCM) operation logic on certain 2024MY EV9 (MV) vehicles produced from September 25, 2023 through February 21, 2024. The BDC Motor Control Unit (MCU) may incorrectly read the 12V auxiliary battery voltage as 0V. If this condition occurs, the tire pressure monitoring system (TPMS) light will blink for approximately one (1) minute and then remain illuminated, with the DTC C1126. This software upgrade may also be available via Over The Air (OTA) through Kia Connect if it has been activated.
TSB_ELE3482024-06-26. Service bulletin. ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BDC-BCM LOGIC IMPROVEMENT FOR DTC C1126 (SA579) - This bulletin provides information to improve the Body Domain Controller (BDC) – Body Control Module (BCM) operation logic on certain 2024MY EV9 (MV) vehicles produced from September 25, 2023 through February 21, 2024. The BDC Motor Control Unit (MCU) may incorrectly read the 12V auxiliary battery voltage as 0V. If this condition occurs, the tire pressure monitoring system (TPMS) light will blink for approximately one (1) minute and then remain illuminated, with the DTC C1126.

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