{"nhtsa_id":11019827,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-06-29","date":"2025-06-12","document_id":"PIT6398","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This PI involves DTC U3000 SYM49 Set falsely In The Serial Data Gateway Module and dealerships are to reset the module by cycling the battery.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019827-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019827-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019827","components":[],"codes":["U3000"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_cadillac_ct4","2022_cadillac_ct4","2023_cadillac_ct4"]},{"make":"CADILLAC","model":"CT5","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_cadillac_ct5","2022_cadillac_ct5","2023_cadillac_ct5"]},{"make":"CADILLAC","model":"ESCALADE","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_cadillac_escalade","2022_cadillac_escalade","2023_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_cadillac_escalade-esv","2022_cadillac_escalade-esv","2023_cadillac_escalade-esv"]},{"make":"CHEVROLET","model":"CORVETTE","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_chevrolet_corvette","2022_chevrolet_corvette"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_chevrolet_silverado","2025_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN 1500","year_from":2021,"year_to":2023,"match":"base","vehicle_ids":["2021_chevrolet_suburban","2022_chevrolet_suburban","2023_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe","2022_chevrolet_tahoe","2023_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 2500","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_gmc_sierra","2025_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2024,"year_to":2025,"match":"base","vehicle_ids":["2024_gmc_sierra","2025_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_gmc_yukon","2022_gmc_yukon","2023_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_gmc_yukon-xl","2022_gmc_yukon-xl","2023_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":[]}