{"nhtsa_id":10119143,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-15","date":"2012-12-07","document_id":"SB 393","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Service Bulletin informs affected customers that MCI was notified by Cummins Inc. that it has issued campaign C1241 that addresses a calibration issue, which results in the engine brakes being energized with 24 volts rather than the required 12 volts on Cummins ISX engines in model year 2011-2012 MCI D model coaches, model year 2011-2012 MCI E4500 model coaches, and model year 2011-2012 MCI J4500 model coaches. This program is being performed only by Cummins Service Network and its authorized dealers, therefore, all parts and labor required for this program will be provided by Cummins.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10119143-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10119143-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10119143","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"D4000","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4005","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4500","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"D4505","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E4500","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"J4500","year_from":2011,"year_to":2012,"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":[]}