{"nhtsa_id":10190771,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-26","date":"2021-03-10","document_id":"N212329850","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Customer Satisfaction Program. On certain vehicles equipped with the provisions ? electrical switch bank (SEO) (RPO UEH), may under certain conditions, have circuit breakers inside an auxiliary control box that could trip due to the high temperature that may accumulate inside the vehicle and control box. Dealers are to replace (7) circuit breakers with equivalent rated fuse and the 5 Amp circuit breaker with a 10 Amp fuse and apply the updated labels.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190771-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190771-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190771","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado"]}],"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":[]}