{"nhtsa_id":10174760,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-06","date":"2020-04-08","document_id":"01-076","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Fix as Fail: Model 520 trucks manufactured between 6/20/2017 and 8/10/2018 with LH and RH Steer may have a Recirculation Air Blend Door that does not work properly. Resolution is to remove the unneeded circuit and seal the wires.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174760-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174760-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174760","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PETERBILT","model":"520","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_peterbilt_520","2018_peterbilt_520"]}],"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":[]}