{"nhtsa_id":10194128,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-24","date":"2021-04-21","document_id":"N212329851","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"Customer Satisfaction Program - certain vehicles, equipped with an auxiliary switch bankand control box (RPO UEH), may have a condition where the labels on the auxiliary control box need to be updated. Dealers are to apply the updated labels.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194128-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194128-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10194128","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 5500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 6500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_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":[]}