{"nhtsa_id":10211929,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-17","date":"2022-05-17","document_id":"N212353390","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL","mfr_system":null,"summary":"Service Update Bulletin. Certain vehicles that had the Serial Data Gateway Module (SDGM) replaced in service, may not have been programmed correctly resulting in an incomplete registration of the new module. Dealers are to reprogram the SDGM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10211929-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10211929-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10211929","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENVISION","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_buick_envision","2022_buick_envision"]},{"make":"CADILLAC","model":"CT4","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_cadillac_ct4","2021_cadillac_ct4"]},{"make":"CADILLAC","model":"CT5","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_cadillac_ct5","2021_cadillac_ct5"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_cadillac_escalade-esv"]},{"make":"CADILLAC","model":"ESCALADE NA","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_cadillac_escalade"]},{"make":"CHEVROLET","model":"CORVETTE","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_chevrolet_corvette","2021_chevrolet_corvette"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe"]},{"make":"GMC","model":"YUKON","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_gmc_yukon-xl"]}],"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":[]}