{"nhtsa_id":10253115,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-04-15","date":"2024-03-28","document_id":"PIT6145","mfr_campaign":null,"replaces":null,"component":"STRUCTURE; ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT","mfr_system":null,"summary":"This Preliminary information communicates information to verify if the vehicle frame has been lengthened or shorted as a result of the vehicle upfit. Dealer to refer to GM Upfitter bulletin 171 if frame has been modified.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10253115-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10253115-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10253115","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"brakes","name":"Brakes","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"6500","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2024,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado","2024_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 5500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 5500","year_from":2023,"year_to":2024,"match":"base","vehicle_ids":["2023_chevrolet_silverado","2024_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 6500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 6500","year_from":2021,"year_to":2023,"match":"base","vehicle_ids":["2021_chevrolet_silverado","2022_chevrolet_silverado","2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 6500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_chevrolet_silverado"]},{"make":"CHEVROLET","model":"duplicate SILVERADO 5500","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]}],"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":[]}