{"nhtsa_id":10120014,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-21","date":"2015-04-07","document_id":"Campaign Circula","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"The vehicle's engine management software has been improved to assure the vehicle's tailpipe emissions are optimized and operating efficiently. Under certain operating conditions, the earlier strategy may have increased the chance of the vehicle's MIL light illuminating. If the MIL illuminates for any reason, the vehicle will not pass an IM emissions inspection in some regions. ECM software update needed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120014-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10120014-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10120014","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A3","year_from":2010,"year_to":2013,"match":"exact","vehicle_ids":["2010_audi_a3","2011_audi_a3","2012_audi_a3","2013_audi_a3"]},{"make":"AUDI","model":"A3","year_from":2014,"year_to":2014,"match":null,"vehicle_ids":[]}],"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":[]}