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Chassis

C118D

Code meaning and manufacturer information

OBD-II / DTC

Reference meaning

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Manufacturer communications

11

Original wording in English

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AUDI

This bulletin provides information when the Air Spring symbol lights up; DTC C118D01 compressor for level control; electrical error.

AUDI

This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.

AUDI

This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.

AUDI

This bulletin provides informaion when there is an air suspension system fault, DTC C118D01, Compressor for level control electicalerror.

Check vehicle applicability

95

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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MakeModelModel year
AudiA6 ↗2025
AudiA6 ↗2024
AudiA6 ↗2023
AudiA6 ALLROAD ↗2026
AudiA6 ALLROAD ↗2025
AudiA6 ALLROAD ↗2024
AudiA6 ALLROAD ↗2023
AudiA7 ↗2025

Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.