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September 20, 2021 Service bulletin

DTC P0234 (Turbo/Super Charger Overboost Condition) is stored in the engine control module, J623 (address...

Audi technical service bulletin 01133020270825 for 2009-2012 Audi A4, 2009-2012 Audi Q5 and 2009-2012 Audi A5 and others.

Bulletin number
01133020270825
Component
Engine and engine cooling: engine: gasoline: turbo/supercharger
Summary
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.

Owners of these vehicles have filed 249 complaints in the engine category.

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