{"nhtsa_id":10233013,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-20","date":"2023-02-15","document_id":"TSB210187","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of Fault codes 3868, 4572 and 4677 Caused by Diesel Exhaust Fluid (DEF) Header Malfunction. A new ECM calibration codes are being made available that allows the engineto operate normally without engine torque and vehicle speed limits until a DEF header is available for final repair. This is an update to a previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233013-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233013-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10233013","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISB","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISL 9","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"L GAS PLUS","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":[]}