{"nhtsa_id":10083320,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-21","date":"2014-01-07","document_id":"FSB 284-046","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL","mfr_system":null,"summary":"INSTRUMENT CLUSTER REPORTED FUEL ECONOMY CALIBRATION, TO IMPROVE THE ACCURACY TO THE INSTRUMENT CLUSTER REPORTED FUEL ECONOMY IT HAS BEEN DETERMINED THAT PARAMETER AIZ (US2010) OR P1I15 (OBD2013) DEFAULT SETTING MAY NEED ADJUSTMENT.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083320","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"instrument-cluster","name":"Instrument cluster","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","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":[]}