{"nhtsa_id":10086042,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-13","date":"2015-07-30","document_id":"TSB150127-072715","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF IDLE SURGE CAUSED BY LOW PRESSURE REGULATOR OSCILLATIONS. FAULT CODES 6396 OR 1861 MAY BE ASSOCIATED WITH AN OSCILLATING LOW PRESSURE REGULATOR.","document":null,"url":"https://open.wenmarpro.com/bulletins/10086042","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS WESTPORT","model":"ISX12 G","year_from":null,"year_to":null,"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":[]}