{"nhtsa_id":10201612,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-09-30","date":"2021-09-02","document_id":"TSB 21-2250","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"Some 2015-2020 F-150, 2017-2020 Super Duty and 2018-2020 Expedition/Navigator vehicles may exhibit poor air conditioning (A/C) performance, loss of airflow and/or engine cooling fans running continuously from high A/C pressures. This concern may be from the evaporator freezing up due to the evaporator temperature sensor being biased. To correct the condition, follow the Service Procedure steps to replace the evaporator temperature sensor.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201612-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201612-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201612","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPEDITION","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_ford_expedition","2019_ford_expedition","2020_ford_expedition"]},{"make":"FORD","model":"F-150","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_ford_f-150","2016_ford_f-150","2017_ford_f-150","2018_ford_f-150","2019_ford_f-150","2020_ford_f-150"]},{"make":"FORD","model":"F-250 SD","year_from":2017,"year_to":2020,"match":"base","vehicle_ids":["2017_ford_f-250","2018_ford_f-250","2019_ford_f-250","2020_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2017,"year_to":2020,"match":"base","vehicle_ids":["2017_ford_f-350","2018_ford_f-350","2019_ford_f-350","2020_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2017,"year_to":2020,"match":"base","vehicle_ids":["2017_ford_f-450","2018_ford_f-450","2019_ford_f-450","2020_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2017,"year_to":2020,"match":"base","vehicle_ids":["2017_ford_f-550","2018_ford_f-550","2019_ford_f-550","2020_ford_f-550"]},{"make":"LINCOLN","model":"NAVIGATOR","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_lincoln_navigator","2019_lincoln_navigator","2020_lincoln_navigator"]}],"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":[]}