{"nhtsa_id":10057066,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-04-08","date":"2014-11-01","document_id":"PI-1350","mfr_campaign":null,"replaces":null,"component":"STEERING:ELECTRIC POWER ASSIST SYSTEM","mfr_system":null,"summary":"CHEVROLET/BUICK: ELECTRONIC POWER STEERING (EPS) HAVE NEW STEERING GEARS RELEASED AND APPLIED TO NEW CALIBRATIONS. OLD CALIBRATIONS OF EPS ARE COMBINED OLD EPS CALIBRATIONS. MODEL 2013-14 ENCORE, SONIC, TRAX. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10057066","components":[{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCORE","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_buick_encore","2014_buick_encore"]},{"make":"CHEVROLET","model":"SONIC","year_from":2012,"year_to":2014,"match":"exact","vehicle_ids":["2012_chevrolet_sonic","2013_chevrolet_sonic","2014_chevrolet_sonic"]},{"make":"CHEVROLET","model":"TRAX","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_trax"]}],"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":[]}