{"nhtsa_id":10202139,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-10-07","date":"2021-09-23","document_id":"WSB-03","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Blocked Air Return - It has come to our attention that some 2020, 2021 and 2022 Wayfarer Motorhomes have an air return that is blocked by a wood panel. If the air return vent is blocked this could cause the furnace to not operate properly which would cause difficulty in heating the motorhome.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202139-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10202139-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10202139","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TIFFIN","model":"WAYFARER","year_from":2020,"year_to":2022,"match":null,"vehicle_ids":[]}],"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":[]}