{"nhtsa_id":11036490,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-08-31","date":"2026-08-12","document_id":"663.80","mfr_campaign":"663.80","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"SAM, TPIM, WCM: SAM (Side Access Module), TPIM (Traction Power Inverter Module), WCM (Wireless Charger Module)","summary":"• Improvements to power door opening and closing performance • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One-Pedal Driving performance • Additional protection for battery health and prevention for battery drain • Improved accuracy for driver display messages • Better performance and reliability of wireless phone charging","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036490-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036490-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036490","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CELESTIQ","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_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":[]}