{"nhtsa_id":11035455,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-08-01","date":"2026-07-10","document_id":"662.10","mfr_campaign":"662.10","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"TCM: TCM (Transmission Control Module)","summary":"• Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035455-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035455-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035455","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_gmc_sierra"]}],"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":[]}