{"nhtsa_id":10182016,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-03","date":"2020-10-30","document_id":"2060205/2","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Engine Cooling System - DTC P218100 - V8 Kovomo Technical background: It is possible for the engine coolant Thermostat to corrode over time, this corrosion is due to an adverse reaction of the Thermostat material with the engine coolant. The corrosion and subsequent build-up of debris prevents the correct operation of the thermostat when closing, resulting in over cooling. The ECM triggers a DTC when the target engine temperature is outside of the specified parameter","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182016-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182016-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10182016","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P2181"],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2018,"year_to":2021,"match":"exact","vehicle_ids":["2018_bentley_bentayga","2019_bentley_bentayga","2020_bentley_bentayga","2021_bentley_bentayga"]},{"make":"BENTLEY","model":"CONTINENTAL GT","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_bentley_continental","2021_bentley_continental"]},{"make":"BENTLEY","model":"CONTINENTAL GT CABRIO","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_bentley_continental","2021_bentley_continental"]}],"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":[]}