{"nhtsa_id":10191172,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-04","date":"2021-04-08","document_id":"TSB 21-2106","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:CONDENSOR/EVAPORATOR","mfr_system":null,"summary":"Some 2017-2021 Transit vehicles built on or before 30-Nov-2020 may experience a slow fill condition and/or illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0171, P0174, P0451, P0455, P0456, P0496 and/or P1450. This may be due to a kinked evaporator emissions fresh air vent line. To correct this condition, follow the Service Procedure to attach a zip tie to the fresh air vent line.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191172-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191172-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10191172","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":["P0171","P0174","P0451","P0455","P0456","P0496","P1450"],"topics":[],"vehicles":[{"make":"FORD","model":"TRANSIT","year_from":2017,"year_to":2021,"match":"exact","vehicle_ids":["2017_ford_transit","2018_ford_transit","2019_ford_transit","2020_ford_transit","2021_ford_transit"]}],"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":[]}