{"nhtsa_id":10056240,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-10-11","date":"2014-07-01","document_id":"PI-0845","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE","mfr_system":null,"summary":"MACK: WHEN SUSPENSION IS LEFT DUMPED, NO WARNING LIGHT, ROAD SPEED LIMIT OR BUZZER DUE TO SOFTWARE IN VEHICLE ELECTRONIC CONTROL UNIT (VECU) IS NOT SUPPORTING VENDOR ENGINES AND NEEDS REPROGRAMMING. MODEL 2011-2013 GU, CXU. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056240","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"GRANITE (GU)","year_from":2012,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CXU)","year_from":2011,"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":[]}