B18CC on the 2025 Hyundai Tucson
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.
| 25-01-32H TSB | 2025-06-03. Service campaign. Certain 2025MY Tucson (NX4M) vehicles equipped with a fingerprint reader may experience a “Check User Authentication” error message on the instrument cluster display. When the message appears, it may prevent usage of the Fingerprint Module (FPM). The DTC captured for this condition is “B18CC00 – IAU Teaching Error (w/FPM)”. This bulletin provides instructions to perform a software update for the Fingerprint Module (FPM). |
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| 25-01-030H TSB | 2025-05-27. Service campaign. Certain 2025MY Tucson (NX4A) vehicles equipped with a fingerprint reader may experience a “Check User Authentication” error message on the instrument cluster display. When the message appears, it may prevent usage of the Fingerprint Module (FPM). The DTC captured for this concern is “B18CC00 - IAU Teaching Error (w/FPM).” This bulletin provides instructions to perform a software update for the Fingerprint Module (FPM). |
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.