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C101C on the 2022 Audi A3

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 C101C
TSB_2072549_42025-10-03. Service bulletin. This bulletin provides informatino when there are DTCs stored in the ABS control unit; "magnetic field too low" C101AF1, C101BF1, C101CF1, C101DF1.
A4524442072549_32024-07-02. Service bulletin. This bulleitn provides informationw hen the the DTCs C101AF1, C101BF1, C101CF1, C101DF1 "magnetic field too low" is stored in the ABS control unit.
A4524442072549_32024-07-02. Service bulletin. This bulleitn provides informationw hen the the DTCs C101AF1, C101BF1, C101CF1, C101DF1 "magnetic field too low" is stored in the ABS control unit.
A4524422072549_22024-06-25. Service bulletin. This bulletihn provides information when the error "Magnetic field too low" with DTC C101AF1, C101BF1, C101CF1, C101DF1 is stored in the ABS control unit.
A4524422072549_22024-06-25. Service bulletin. This bulletihn provides information when the error "Magnetic field too low" with DTC C101AF1, C101BF1, C101CF1, C101DF1 is stored in the ABS control unit.
A4524372072549_12024-02-06. Service bulletin. This bulletin provides information for when DTC C101AF1, C101BF1, C101CF1, C101DF1 are stored in the ABS control unit with the message "magnetic field too low".

6 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.