{"nhtsa_id":10187770,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-01","date":"2021-01-20","document_id":"21NA007","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187770-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187770-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187770","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_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":[]}