{"nhtsa_id":10052509,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-08-07","date":"2013-04-29","document_id":"IK-1600181","mfr_campaign":null,"replaces":null,"component":"LATCHES/LOCKS/LINKAGES","mfr_system":null,"summary":"IKNOW: SOME VEHICLES MAY EXPERIENCE INOPERATIVE DOOR LOCKS OR DIFFICULTY OPENING LOCKS. THE KEY MAY BE BENT. NO MODEL YEARS WERE PROVIDED. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10052509","components":[{"id":"latches-locks","name":"Latches and locks","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CT660","year_from":2012,"year_to":2014,"match":null,"vehicle_ids":[]}],"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":[]}