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C118D on the 2023 Audi Q7

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 C118D
TSB_2073034_92026-01-07. Service bulletin. This bulletin provides information when the Air Spring symbol lights up; DTC C118D01 compressor for level control; electrical error.
TSB_2073034_82025-04-04. Service bulletin. This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.
TSB-2073034_72025-03-19. Service bulletin. This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.
A4324912073034_62024-07-02. Service bulletin. This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.
A4324912073034_62024-07-02. Service bulletin. This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.
A4324902073034_52024-06-25. Service bulletin. This bulletin provides information when there is an Air Suspension system fault; DTC C118D01; Compressor for level control electrical error.
A4324882073034_42024-06-25. Service bulletin. This bulletin provides information when there is an Air suspension error, DTC C118D01.
A4324902073034_52024-06-25. Service bulletin. This bulletin provides information when there is an Air Suspension system fault; DTC C118D01; Compressor for level control electrical error.
A4324882073034_42024-06-25. Service bulletin. This bulletin provides information when there is an Air suspension error, DTC C118D01.
A4324872073034_32024-05-06. Service bulletin. This bulletin provides information when there is an Air Suspension system fault; DTC C118D01 Compressor for level control electrical error.

12 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.