Service bulletins for the 2009 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.
775 on file from NHTSA, as of 2026-10-19.
About P0123 on the 2009 Audi A4: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0123 are shown. Show all
| TSB-01-13-70 | 2013-04-11. Service bulletin. ENGINE. AUDI: 01 MIL ON P1545, P0121, P0123, P0221, OR P0222 STORED IN ECM. A NUMBER OF INCIDENT MEMORY ENTRIES WITH REGARD TO THROTTLE VALVE ARE STORED IN THE ECM. IN MOST CASES, THE ENTRIES ARE SPORADIC. *JS UPDATED 04/15/2013 *JS |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.