{"nhtsa_id":11028700,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-11","date":"2026-02-05","document_id":"PIT6483","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028700-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028700-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028700","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_cadillac_escalade","2016_cadillac_escalade","2017_cadillac_escalade","2018_cadillac_escalade","2019_cadillac_escalade","2020_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2015,"year_to":2016,"match":"base","vehicle_ids":["2015_cadillac_escalade","2016_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_cadillac_escalade-esv","2018_cadillac_escalade-esv","2019_cadillac_escalade-esv","2020_cadillac_escalade-esv"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2015,"year_to":2022,"match":"base","vehicle_ids":["2015_chevrolet_silverado","2016_chevrolet_silverado","2017_chevrolet_silverado","2018_chevrolet_silverado","2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2015,"year_to":2023,"match":"base","vehicle_ids":["2015_chevrolet_silverado","2016_chevrolet_silverado","2017_chevrolet_silverado","2018_chevrolet_silverado","2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2015,"year_to":2023,"match":"base","vehicle_ids":["2015_chevrolet_silverado","2016_chevrolet_silverado","2017_chevrolet_silverado","2018_chevrolet_silverado","2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_chevrolet_suburban","2016_chevrolet_suburban","2017_chevrolet_suburban","2018_chevrolet_suburban","2019_chevrolet_suburban","2020_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_chevrolet_tahoe","2016_chevrolet_tahoe","2017_chevrolet_tahoe","2018_chevrolet_tahoe","2019_chevrolet_tahoe","2020_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2022,"match":"base","vehicle_ids":["2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2015,"year_to":2023,"match":"base","vehicle_ids":["2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2015,"year_to":2023,"match":"base","vehicle_ids":["2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra","2022_gmc_sierra","2023_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon","2019_gmc_yukon","2020_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_gmc_yukon-xl","2016_gmc_yukon-xl","2017_gmc_yukon-xl","2018_gmc_yukon-xl","2019_gmc_yukon-xl","2020_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":[]}