{"nhtsa_id":10117377,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-09-14","date":"2015-02-23","document_id":"FSB 253-002","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES; ENGINE","mfr_system":null,"summary":"Engine Brake Loss. Certain Euro 4 MACK vehicles built from January 14, 2010 to February 15, 2014 may experience engine brake loss in top gear. Check the Engine ECU Dataset 2 part number and compare to the chart below.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10117377-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10117377-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10117377","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CXU","year_from":2011,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2011,"year_to":2015,"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":[]}