{"nhtsa_id":10058004,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-07-23","date":"2015-05-01","document_id":"284-057-01","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"MACK TRUCKS, INC. : FIELD SERVICE BULLETIN INFORMATION REGARDING, HIGH SOOT OUTPUT ENGINES MAY EXPERIENCE ROUGH RUNNING AT LOWER THAN NORMAL BASE IDLE SPEED. SOFTWARE HAS BEEN RELEASED, AFFECTED ENGINES ARE MP7& MP8 BUILT BETWEEN FEB- MARCH 2015.*LJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10058004","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CH","year_from":null,"year_to":null,"match":"exact","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":[]}