Service bulletins for the 1997 Audi A4
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.
66 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| AWC 19-05 | 2019-09-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:LABELS; EQUIPMENT. This communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries. |
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| 0401 | 2004-07-21. Service bulletin. ELECTRICAL SYSTEM. THROTTLE VALVE CONTROL MODULE - J338-, WILL NOT ADAPT. *MJ |
| 11 | 2001-09-25. Service bulletin. ELECTRICAL SYSTEM. THIS TECHNICAL REPAIR MANUAL CONTAINS THE ELECTRICAL WIRING DIAGRAMS, TROUBLESHOOTING AND COMPLENT LOCATIONS. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.