{"nhtsa_id":10055216,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-04-23","date":"2014-02-01","document_id":"SP-284-051","mfr_campaign":null,"replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"VOLVO TRUCK: THE ENGINE CONTROL MODULE (ECM) HAS SOFTWARE UPDATES WITH ENHANCEMENTS, AVAILABLE, TO ADDRESS COLD START TIME, PISTON COOLING JET (PCJ), REGENERATIONS IN COLD CLIMATES. MODEL VAH, VHD, VN. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10055216","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"VAH","year_from":2013,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"VOLVO","model":"VHD","year_from":2013,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"VOLVO","model":"VN","year_from":2013,"year_to":2013,"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":[]}