{"nhtsa_id":10166643,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-10-28","date":"2019-09-19","document_id":"17NA352","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166643-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166643-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166643","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2016,"year_to":2020,"match":"exact","vehicle_ids":["2016_chevrolet_colorado","2017_chevrolet_colorado","2018_chevrolet_colorado","2019_chevrolet_colorado","2020_chevrolet_colorado"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_chevrolet_express","2018_chevrolet_express","2019_chevrolet_express","2020_chevrolet_express"]},{"make":"GMC","model":"CANYON","year_from":2016,"year_to":2020,"match":"exact","vehicle_ids":["2016_gmc_canyon","2017_gmc_canyon","2018_gmc_canyon","2019_gmc_canyon","2020_gmc_canyon"]},{"make":"GMC","model":"SAVANA","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_gmc_savana","2018_gmc_savana","2019_gmc_savana","2020_gmc_savana"]}],"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":[]}