{"vehicle":{"id":"2012_subaru_legacy","year":2012,"make":"Subaru","model":"Legacy"},"code":"P0128","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10234269,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-04-17","date":"2012-12-06","document_id":"1111112R","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"If you encounter a vehicle which has P0128 stored in memory, it may be caused by a very slight variation in coolant temperature between the left and right cylinder bank.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10234269-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10234269-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10234269"},{"nhtsa_id":10093953,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-03-06","date":"2012-12-06","document_id":"11-111-12R","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"P0128 COOLANT THERMOSTAT (ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)","document":null,"url":"https://open.wenmarpro.com/bulletins/10093953"}],"url":"https://open.wenmarpro.com/makes/subaru/legacy/2012/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/subaru/legacy/2012/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."]}