Service bulletins for the 2006 Audi S4
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.
231 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 20036582 | 2007-07-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOSES POWER OR WILL NOT MOVE AFTER STOP. *KB |
|---|---|
| 20056243 | 2007-07-06. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HEADLIGHT AIMING, USING HELLA UNIVERSAL BEAMSETTER. *KB |
| 0601 | 2006-03-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. REVERSE GEAR WILL NOT ENGAGE OR IS HARD TO ENGAGE. *TT |
| 0601 | 2006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CONTROL HOUSING FOR CAMSHAFT ADJUSTER, ENSURING SHIM WASHER INSTALLATION WHEN REPAIRING. *TT |
| 0402 | 2005-12-19. Service bulletin. ENGINE AND ENGINE COOLING. OIL LEAKS FROM UPPER ENGINE AREAS, DIAGNOSTIC GUIDELINES. *TT |
| 0505 | 2005-11-30. Service bulletin. ENGINE AND ENGINE COOLING. COOLANT LEAKAGE AROUND AUXILIARY COOLANT PUMP. COOLANT LIGHT MAY BE ILLUMINATED. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.