Service bulletins for the 2021 Audi S5
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
994 on file from NHTSA, as of 2026-10-19.
About B18BD on the 2021 Audi S5: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B18BD are shown. Show all
| A9124412060197_5 | 2024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an SOS emergency call malfunction; DTC B18BD11 or B18BD13 stored in the telematics control module |
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| A9124412060197_5 | 2024-09-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there is an SOS emergency call malfunction; DTC B18BD11 or B18BD13 stored in the telematics control module |
| A9123182060197_4 | 2023-09-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information for when there is an SOS emergency call malfunction; DTC B19BD11 or B18BD13 is stored in the telematics control module. |
| A9123882060197_3 | 2023-05-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information in instances when the message "Emergency call function: malfunction! Function restricted. Please contact service" is displayed in the instrument cluster. DTCs B18BD11 or B18BD13 may be stored in the telematics control module. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.