{"nhtsa_id":11019910,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2025-07-01","date":"2025-06-02","document_id":"N25-250020","mfr_campaign":"N25-250020","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"BCM: Body Control Module","summary":"• Improves how center display adjusts to lighting changes. • Improved warnings when a key is missing. • Better tuning for interior lighting in Stealth mode. • Improvements to automatic low beam headlamp logic. • Smoother dimming and transitions from day to night. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019910-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11019910-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11019910","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_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":[]}