{"nhtsa_id":10115990,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-25","date":"2017-01-23","document_id":"167-B1704-02","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"SB?17?004 Enhanced engine ECU (Electronic Control Unit) software has been made available to address the following conditions: Engine torque reduction has been increased to 70%, from an original 50%, when the engine ECU detects a P244B ? Incomplete Regeneration, in conjunction with the soot level indicator in the instrument cluster reaching 10 bars. Detection threshold change for DTC (Diagnostic Trouble Code)P20DF ? Aftertreatment Fuel Injection Line Pressure Sensor Signal Too Low. PTO (Power Take Off) control updates. ? Enable DPR (Diesel Particulate Reduction) auto regeneration during PTO operation. ? Engine speed will be increased to \"Preset PTO engine speed 2\" when idle up signal is provided to \"PTO SWITCH 2\".","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10115990-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10115990-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10115990","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P20DF","P244B"],"topics":[],"vehicles":[{"make":"HINO","model":"CONVENTIONAL MODELS","year_from":2011,"year_to":2019,"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":[]}