{"nhtsa_id":10169378,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-16","date":"2019-11-15","document_id":"Campaign T3T Dea","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"Hyundai has launched a Service Campaign to update the ECM (Engine Control Module) software for DTC P0128: Coolant Thermostat (Coolant Temp below Thermostat Regulating Temperature) logic improvement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169378-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10169378-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10169378","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["P0128"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ELANTRA GT","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_hyundai_elantra-gt"]},{"make":"HYUNDAI","model":"VELOSTER","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_hyundai_veloster"]}],"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":[]}