{"nhtsa_id":11017267,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-28","date":"2025-04-16","document_id":"PIT5989C","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This Preliminary information communicates a issue where the Can bus 1 data line is being corrupted by a aftermarket lighting module or poor connection installed by a Police Upfitter.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017267-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11017267-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11017267","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"TAHOE","year_from":2021,"year_to":2025,"match":"exact","vehicle_ids":["2021_chevrolet_tahoe","2022_chevrolet_tahoe","2023_chevrolet_tahoe","2024_chevrolet_tahoe","2025_chevrolet_tahoe"]}],"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":[]}