{"nhtsa_id":10078394,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-07-26","date":"2016-03-07","document_id":"M0069062","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"TECHNICAL INFORMATION BULLETIN CONVEYING INFORMATION TO DEALERS TO IMPROVE DIAGNOSTIC AND TROUBLESHOOTING PROCEDURES. THIS RELATED TO SOME INTAKE THROTTLE VALVES WHICH CAUSE FREQUENT REGENERATION IN THE ENGINE EXHAUST AFTERTREATMENT SYSTEM. THIS COULD RESULT IN LOW POWER, UNIT UNABLE TO COMPLETE A REGENERATION OR SOOT LOAD ACCUMULATION ISSUES.","document":null,"url":"https://open.wenmarpro.com/bulletins/10078394","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":[]}