Service bulletins for the 2004 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.
172 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| A641436 2020552- | 2017-12-05. Service bulletin. VISIBILITY:WINDSHIELD. Windshield is streaked, has a snakeskin appearance, or its surface feels rough. Residue from industrial fallout as well as normal road dirt and grime may accumulate on windshield. |
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| A641329 2020552- | 2017-12-05. Service bulletin. VISIBILITY:WINDSHIELD. Windshield is streaked, has a snakeskin appearance, or its surface feels rough. Residue from industrial fallout as well as normal road dirt and grime may accumulate on windshield. |
| A611320 2029956- | 2017-12-05. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Supersedes Technical Service Bulletin Group 61 number 12-16 dated July 6, 2012. Convertible top is inoperative. All switches and sensors check OK. Convertible top movement ceases. Convertible top operation has not ceased due to overheat protection. All operating conditions have been met per MVBs 002, 003, and 004 (e.g. windows are initialized, battery voltage is OK, trunk lid is fully closed and latched, etc.). Convertible Top Operation Switch E137 is actuated. The hydraulic pump drive motor may or may not continue to run. Loss of convertible top operation may be due to a faulty hydraulic pump drive motor. |
| 2029956/2 | 2016-05-23. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.