{"nhtsa_id":10121521,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-31","date":"2013-11-01","document_id":"Dealer Letter-Up","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION; ENGINE","mfr_system":null,"summary":"This communication is to inform you of upcoming Update 28G6. There are 79,232 Audi vehicles affected in the U.S. by this Update. Rough idle or reduced driving power and, in turn, an illuminated Malfunction Indicator Lamp (MIL) on the instrument cluster due to the presence of specific fault codes caused by this component. Inspect and replace ignition coils as required.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10121521-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10121521-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121521","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A4","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_audi_a4"]},{"make":"AUDI","model":"A4 ALLROAD","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_audi_a4-allroad"]},{"make":"AUDI","model":"A4 AVANT","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"A5","year_from":2010,"year_to":2013,"match":"exact","vehicle_ids":["2010_audi_a5","2011_audi_a5","2012_audi_a5","2013_audi_a5"]},{"make":"AUDI","model":"A5 CABRIOLET","year_from":2010,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"A6","year_from":2010,"year_to":2013,"match":"exact","vehicle_ids":["2010_audi_a6","2011_audi_a6","2012_audi_a6","2013_audi_a6"]},{"make":"AUDI","model":"A7","year_from":2010,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"AUDI","model":"A7","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_audi_a7","2013_audi_a7"]},{"make":"AUDI","model":"Q5","year_from":2010,"year_to":2013,"match":"exact","vehicle_ids":["2010_audi_q5","2011_audi_q5","2012_audi_q5","2013_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":[]}