{"nhtsa_id":10147452,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2018-10-18","document_id":"SB 3116","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Service Bulletin informs affected owners that Detroit Diesel Corporation has released bulletin D18M2, advising that some certified GHG17 Detroit DD13 engines installed in model year 2015-2018 MCI J4500 coaches will require reprogramming, and that some of affected coaches may also need their exempt emission label replaced with a certified label.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147452-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147452-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147452","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MCI","model":"J4500","year_from":2015,"year_to":2018,"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":[]}