{"nhtsa_id":10051805,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-04-12","date":"2013-03-19","document_id":"REBE-9520","mfr_campaign":null,"replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"CATERPILLAR: ON CT660 TRUCKS EXPERIENCE INCREASE IN ENGINE RPM WHEN IDLING, IN PARK OR NOT MOVING, DUE EXISTING CALIBRATION THAT MAY DAMAGE ENGINE. MODEL CT660 ON-HIGHWAY. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10051805","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"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":[]}