{"nhtsa_id":10182894,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-23","date":"2012-10-11","document_id":"HINO 12-003 TT","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Tech Tip pertains to 2012 NE8J, NJ8J, NV8J Models that have ECU software 89663-E2B40A or 89663-E2B50A. Some engines may erroneously record P2457 DTC in ECU. This fault condition is due to ECU software misdetection of EGR cooler efficiency.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10182894-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10182894-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10182894","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P2457"],"topics":[],"vehicles":[{"make":"HINO","model":"NE8J","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"HINO","model":"NJ8J","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"HINO","model":"NV8J","year_from":2012,"year_to":2012,"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":[]}