{"nhtsa_id":10181697,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-26","date":"2020-09-08","document_id":"20NA165","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY; ENGINE","mfr_system":null,"summary":"This technical bulletin provides repair information to correct a customer concern of Flutter or Boom Noise at 1200 RPM- Service Calibration.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181697-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181697-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181697","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCORE GX","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_buick_encore-gx"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_trailblazer"]}],"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":[]}