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.
Manufacturer communications
2Original wording in English
AUDI
Reported code forms B174404
This TSB provides information when the warning "Fault: Limited warning messages" appears in the virtual cockpit; DTC B174404.
AUDI
Reported code forms B174404
This bulletin provides information when there is an instrument cluster warning "Fault: Limited warning messges", DTC B174404.
Check vehicle applicability
8A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Audi | A5 SPORTBACK | 2025 |
| Audi | A5 SPORTBACK | 2024 |
| Audi | A5 SPORTBACK | 2023 |
| Audi | A5 SPORTBACK | 2022 |
| Audi | A5 SPORTBACK | 2021 |
| Audi | A5 SPORTBACK | 2020 |
| Audi | A5 SPORTBACK | 2019 |
| Audi | A5 SPORTBACK | 2018 |
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.
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.