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C1626 on the 2021 Kia Seltos

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.

Bulletins for this model year that name C1626
TSB_CHA1172022-12-20. Service bulletin. TECHNICAL SERVICE BULLETIN: ABS/ESC LOGIC IMPROVEMENT FOR DTC C1626 - This bulletin provides the procedure to update the software logic of the Anti-Lock Brakes/Electronic Stability Control (ABS/ESC) systems on some 2021-2023MY Seltos vehicles, which may experience multiple dash warning lights illuminated and DTC C1626, due to a possible yaw rate calculation error due to wheel alignment and tire diameter differences. This logic improvement will change the threshold sensitivity setting to account for these conditions.

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.