Service bulletins for the 2011 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.
543 on file from NHTSA, as of 2026-10-19.
About P0234 on the 2011 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: P0234 are shown. Show all
| 01133020270825 | 2023-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. DTC P0234 (Turbo/Super Charger Overboost Condition) is stored in the engine control module, J623 (address word 01). No other DTCs are stored. Technical Background DTC P0234 can be set inadvertently by the software application. |
|---|---|
| 01133020270825 | 2022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. DTC P0234 (Turbo/Super Charger Overboost Condition) is stored in the engine control module, J623 (address word 01). No other DTCs are stored. Technical Background DTC P0234 can be set inadvertently by the software application. |
| 01133020270825 | 2022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. DTC P0234 (Turbo/Super Charger Overboost Condition) is stored in the engine control module, J623 (address word 01). No other DTCs are stored. Technical Background DTC P0234 can be set inadvertently by the software application. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.