{"nhtsa_id":10034906,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-01-26","date":"2010-09-01","document_id":"SP-284-027","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"VOLVO TRUCK: ENGINE ECM AND ACM SOFTWARE UPDATES. NEW SOFTWARE UPDATES WITH ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM). NEW UPDATES AND ENHANCEMENTS WILL ADDRESS TURBO VARNISHING DURING INCLEMENT WEATHER AND EXHAUST GAS RECIRCULATION (EGR) HIGH MASS FLOW ISSUES. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034906","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":"VHD","year_from":2007,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"VOLVO","model":"VN","year_from":2006,"year_to":2011,"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":[]}