{"nhtsa_id":10041528,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-10-04","date":"2011-09-01","document_id":"PB-11137","mfr_campaign":null,"replaces":"PB-11137A","component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"CHEVROLET: PRODUCT ENHANCEMENTS FOR VARIOUS ISSUES. SOFTWARE UPDATES AND CALIBRATIONS. *PE UPDATED 12/5/11. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10041528","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"VOLT","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_chevrolet_volt"]}],"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":[]}