{"nhtsa_id":10202639,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-11-05","date":"2021-10-25","document_id":"Dealer 24HM","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"Affected Engine Control Software does not disable the warm-up correction factor following engine start and warm-up as described in Auxiliary Emission Control Device (AECD) documentation.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202639-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202639-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10202639","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"cooling-system","name":"Cooling system","parent":"engine"},{"id":"engine-control-module","name":"Engine control module","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"SQ7","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_audi_sq7"]},{"make":"AUDI","model":"SQ8","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_audi_sq8"]}],"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":[]}