C1126 on the 2024 Kia EV9
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_ELE348_R1 | 2024-07-18. Service bulletin. 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. |
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| TSB_ELE348 | 2024-06-26. Service bulletin. 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. |
2 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.