Service bulletins for the 2005 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.
334 on file from NHTSA, as of 2026-10-19.
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By component
By trouble code
Only bulletins with component: Electrical system are shown. Show all
| 940710 | 2007-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. DYNAMIC HEADLIGHT RANGE CONTROL, WARNING LIGHT IS ON IN THE INSTRUMENT PANEL CENTER DISPLAY. *KB |
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| 0602 | 2006-12-28. Service bulletin. ELECTRICAL SYSTEM. MIL ON AND ONE OR MORE OF THE FOLLOWING DTCS ARE STORED. *KB |
| 0602 | 2006-03-16. Service bulletin. ELECTRICAL SYSTEM. MIL ILLUMINATION DUE TO SETTING OF DTC P2404 (RATIONALITY CHECK: REED SENSOR UNABLE TO OPEN). *TT |
| 0505 | 2005-12-22. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED. DIAGNOSTIC TROUBLE CODE (DTC) P2106 (18538) THROTTLE ACTUATOR CONTROL SYSTEM - FORCED LIMITED POWER MAY BE PRESENT. *TT |
| 0501 | 2005-12-19. Service bulletin. ELECTRICAL SYSTEM. LIGHT SENSOR WARNING LIGHT ON INTERMITTENTLY AND CUSTOMER CONCERN ABOUT AUTOMATIC HEADLIGHT INSTRUMENT CLUSTER WARNING LIGHT ILLUMINATING FOR 1 SECOND ACCOMPANIED WITH A SHORT BEEP. *TT |
| 0502 | 2005-03-31. Service bulletin. ELECTRICAL SYSTEM. VARIOUS CONTROL MODULES WITH SPORADIC DIAGNOSTIC TROUBLE CODES STORED IN DTC MEMORY. *EH |
| 0501 | 2005-03-31. Service bulletin. ELECTRICAL SYSTEM. TRANSPORT MODE DEACTIVATING WHEN VEHICLE ARRIVES AT THE DEALERSHIP. *EH |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.