{"nhtsa_id":10078917,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-08-25","date":"2016-04-21","document_id":"REHS9183-00","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"OXYGEN SENSOR CALIBRATION PROCEDURE FOR THE CT VOCATIONAL TRUCKS - THIS SPECIAL INSTRUCTION EXPLAINS THE OXYGEN SENSOR (O2S) CALIBRATION PROCEDURE THAT MUST BE FOLLOWED WHEN REPLACING OR CALIBRATING THE (O2S) ON THE CT VOCATIONAL TRUCKS.","document":null,"url":"https://open.wenmarpro.com/bulletins/10078917","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CATERPILLAR","model":"CT660","year_from":2012,"year_to":2017,"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":[]}