{"nhtsa_id":11035440,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-08-01","date":"2026-07-31","document_id":"663.20","mfr_campaign":"663.20","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"CGM, BCM, ECM, ICCM: CGM-GTW (Communication Gateway Module), BCM (Body Control Module), ECM (Engine Control Module), ICCM (Integrated Chassis Control Module)","summary":"• Improvements to start reliability and reduced check engine light activation • Improvements to turbo system diagnostics • Improvements to active cabin ventilation • Additional protection for the health of your battery • Updates to help prevent excessive battery drain and overheating • Improvements to the software update system","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035440-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035440-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035440","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_chevrolet_colorado"]},{"make":"GMC","model":"CANYON","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_gmc_canyon"]}],"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":[]}