{"nhtsa_id":10172660,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-03-23","date":"2020-02-13","document_id":"N192273631","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Emission - General Motors has decided to conduct a voluntary emissions recall involving certain 2018 model year diesel engine vehicles. The engine control module (ECM) in these vehicles may not adequately diagnose or illuminate the malfunction indicator lamp (Check Engine Light) when frequent regeneration of the diesel particulate filter (DPF) occurs. Dealers are to program the engine control module (ECM) with corrected software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172660-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10172660-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10172660","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2018,"year_to":2019,"match":"base","vehicle_ids":["2018_gmc_sierra","2019_gmc_sierra"]}],"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":[]}