Audi Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service
Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service
Quick answer
Audi’s warning “Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service” is documented in official manufacturer communications for certain U.S. Audi EVs. In the documented condition, the warning can appear even though the external sound works correctly and no relevant diagnostic trouble codes are stored.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service mean?
Audi’s warning “Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service” is documented in official manufacturer communications for certain U.S. Audi EVs. In the documented condition, the warning can appear even though the external sound works correctly and no relevant diagnostic trouble codes are stored.
2. Technical explanation
Official Audi manufacturer communications submitted to NHTSA describe a condition in which this warning may occur sporadically when starting the vehicle or when passing approximately 40 mph, either upward or downward. The documented workshop findings are that no relevant DTCs are stored and the external sound operates correctly. The concern was described as being under analysis in the 2023 communication.
3. What system is affected?
External vehicle sound / pedestrian warning sound function.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- The instrument-cluster warning states: “Vehicle sound: Malfunction! Pedestrians cannot hear vehicle. Please contact Service”.
- The message may appear sporadically when starting the vehicle.
- The message may appear when vehicle speed rises above or falls below approximately 40 mph.
- In the documented condition, the external sound works correctly.
- In the documented condition, no relevant DTCs are stored.
6. Possible causes
- Official evidence documents that the warning can appear while the external sound functions correctly. A specific root cause is not yet established by verified evidence.
- The 2023 Audi communication states that the concern was under analysis.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange contact with Audi Service, consistent with the warning message.
- Record when the warning occurs, including whether it occurs at startup or near approximately 40 mph.
- Do not attempt high-voltage or external-sound-system repairs yourself.
10. Step-by-step troubleshooting
- A service facility can check for relevant stored DTCs and verify operation of the external sound system. Official evidence notes that, in the documented condition, no relevant DTCs may be stored and the sound may operate correctly.
- Not yet established by verified evidence whether any owner-performed troubleshooting resolves the warning.
11. When to contact service
Contact Audi Service if this warning is displayed. The warning itself instructs the driver to contact Service.
12. What the service center may check
- Check for relevant DTCs.
- Verify external vehicle-sound operation.
- Assess whether the warning occurs sporadically at startup or near approximately 40 mph.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied official communications document the condition but do not provide a verified repair resolution.
14. Affected vehicles
- Audi Q4 e-tron · 2021–2023 · US
- Audi RS e-tron GT · 2021–2023 · US
- Audi e-tron · 2021–2023 · US
- Audi e-tron GT · 2021–2023 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 10241483, Audi document A9323202071352_1, published August 29, 2023. It documents this warning on specified Audi electrified vehicles and states that the external sound can work correctly with no relevant DTCs stored.
- NHTSA Manufacturer Communication 10250816, Audi document A9324422071352_2, published February 23, 2024. It documents the same warning condition.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified sources: NHTSA Manufacturer Communications 10241483 and 10250816, containing Audi manufacturer information on this warning condition.
19. Frequently asked questions
Can this warning appear even when the pedestrian sound is working?
Yes. The official communications state that the warning may appear while the external sound works correctly.
Will a diagnostic trouble code always be stored?
No. The documented workshop finding is that no relevant DTCs are stored in this condition.
When can the message occur?
Official evidence states that it may occur sporadically during vehicle startup or when crossing approximately 40 mph.
Which vehicles are covered by the supplied applicability evidence?
The supplied applicability records cover U.S. 2021–2023 Audi Q4 e-tron, RS e-tron GT, e-tron, and e-tron GT models. The 2023 manufacturer communication also lists certain additional Audi electrified models.