{"nhtsa_id":11030524,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-04-02","date":"2026-03-27","document_id":"661.20","mfr_campaign":"661.20","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"ACP, AOS, BCM: ACP2 (ADAS Compute Platform 2), AOS (Automatic Occupant Sensing Module), BCM (Body Control Module)","summary":"• Fixes to reduce activations of Automatic Emergency Braking Disabled light. • Improvements to availability for Lane Keep Assist. • Fixes to help ensure proper functionality for Brake Assist. • Fixes for active cabin ventilation. • Improvements to the performance of vehicle software updates. • Fixes to help ensure successful vehicle software updates.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030524-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030524-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030524","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_cadillac_escalade-esv"]},{"make":"CHEVROLET","model":"SUBURBAN 1500","year_from":2026,"year_to":2026,"match":"base","vehicle_ids":["2026_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_chevrolet_tahoe"]},{"make":"GMC","model":"YUKON","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_gmc_yukon-xl"]}],"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":[]}