{"nhtsa_id":10221977,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-09-20","document_id":"01133020270825","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER","mfr_system":null,"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221977-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221977-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221977","components":[{"id":"engine","name":"Engine","parent":null},{"id":"turbocharger","name":"Turbocharger or supercharger","parent":"engine"}],"codes":["P0234"],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_audi_a4","2010_audi_a4","2011_audi_a4","2012_audi_a4"]},{"make":"AUDI","model":"A5","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_audi_a5","2010_audi_a5","2011_audi_a5","2012_audi_a5"]},{"make":"AUDI","model":"A5 CABRIOLET","year_from":2009,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"Q5","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_audi_q5","2010_audi_q5","2011_audi_q5","2012_audi_q5"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}