{"vehicle":{"id":"2020_hyundai_elantra","year":2020,"make":"Hyundai","model":"Elantra"},"code":"P0128","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10178170,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-07","date":"2020-07-13","document_id":"20-FL-007H","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE","summary":"This bulletin provides information related to an ECM (Engine Control Module) software update for DTC P0128: Coolant Thermostat (Coolant Temp below Thermostat Regulating Temperature) logic revision. There are no drivability symptoms associated with DTC P0128.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178170-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178170-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178170"}],"url":"https://open.wenmarpro.com/makes/hyundai/elantra/2020/bulletins?code=P0128"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/hyundai/elantra/2020/codes/P0128","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}