{"nhtsa_id":10189723,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-05","date":"2021-03-24","document_id":"TSB 20-01","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"From November 2020 to February 2021, units produced at Plant 250 have a wire missing that would cause the 120VAC load shedding to not work properly. This affects model year 2021 31E, 31EV, 31W, 31WV, SL31, SE31, LF31, and WS31 floor plans with the 2 A/C option","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189723-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10189723-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10189723","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"THOR MOTOR COACH","model":"FOUR WINDS","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"THOR MOTOR COACH","model":"QUANTUM","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"THOR MOTOR COACH","model":"redundant CHATEAU","year_from":2021,"year_to":2021,"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":[]}