{"nhtsa_id":10118391,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-04","date":"2016-03-14","document_id":"A011655 2035002-","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This technical service bulletin is about the MIL being on due to DTCs being stored in the ECM. The DTCs may appear during monitoring of the secondary air system during the engine cold starting phase. The secondary air pressure can be influenced by several factors; which may include a leak in the vacuum system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10118391-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10118391-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10118391","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A8","year_from":2010,"year_to":2012,"match":"exact","vehicle_ids":["2010_audi_a8","2011_audi_a8","2012_audi_a8"]}],"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":[]}