{"nhtsa_id":11025585,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-11-18","date":"2025-11-12","document_id":"PIT6451","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This PI communicates information that Engineering is aware of concern and working to correct false Service Trailer Turn Signal Message when operating the power tailgate with no trailer connected.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025585-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11025585-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11025585","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2019,"year_to":2021,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]}],"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":[]}