{"nhtsa_id":11030529,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-04-02","date":"2026-03-17","document_id":"661.10","mfr_campaign":"661.10","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"TCP: TCP (Telematics Connectivity Platform)","summary":"Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030529-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030529-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030529","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CELESTIQ","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_cadillac_celestiq"]}],"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":[]}