{"nhtsa_id":11030518,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-04-02","date":"2026-03-14","document_id":"654.11","mfr_campaign":"654.11","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"BCM, PCM: BCM (Body Control Module), PO2/PCM (Powertrain Control Module)","summary":"• Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts. • Fixes to help ensure proper functionality for shifting. • Fixes to help protect transmission health. • Improvements to diagnostics to prevent vehicle not starting. • Fixes to help reduce instances of check engine light activation in cold weather.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030518-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030518-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030518","components":[],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCLAVE","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_buick_enclave"]},{"make":"CHEVROLET","model":"TRAVERSE","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_chevrolet_traverse"]},{"make":"GMC","model":"ACADIA","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_gmc_acadia"]}],"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":[]}