{"nhtsa_id":10123700,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-17","date":"2015-10-05","document_id":"A011545 2042071-","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Engine warning lamp is illuminated. EPC lamp is illuminated. The engine runs irregularly. DTCs related to the cylinder on demand (COD) function are stored in the engine control module, J623 (address word 01). See the Service section of this bulletin for a complete list. A delay during the actuation of the COD adjusting mechanism is possible during the switch between 8 and 4 cylinder mode.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10123700-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10123700-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10123700","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A6","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_a6","2014_audi_a6","2015_audi_a6"]},{"make":"AUDI","model":"A7","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_a7","2014_audi_a7","2015_audi_a7"]},{"make":"AUDI","model":"A8","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_audi_a8","2014_audi_a8","2015_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":[]}