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.
By type
By component
By trouble code
| 0503 | 2005-05-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK OR ON HEAT IN PASSENGER COMPARTMENT. *EH |
|---|---|
| 0501 | 2005-05-19. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. FUEL INJECTORS, UNNECESSARY REPLACEMENT. UPDATE. *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 |
| 910501 | 2005-03-15. Service bulletin. EQUIPMENT:ELECTRICAL. SATELLITE RADIO -R146-, INTERFERENCE WITH TIRE PRESSURE MONITORING SYSTEM OR AUDI NAVIGATION PLUS. *TT |
| 480501 | 2005-03-15. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. POWER STEERING, NOISY. TO INCLUDE 2006 MODELS. *TT |
| 240501 | 2005-03-15. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. FUEL INJECTORS, UNNECESSARY REPLACEMENT. *TT |
| 0406 | 2005-02-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. COOLANT LEAK AT OIL COOLER HOSES. *TT |
| 0409 | 2004-12-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE SLIGHTLY STUMBLES AT SLOW INITIAL ACCELERATION AFTER COLD START. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.