{"nhtsa_id":10240784,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-21","date":"2023-07-12","document_id":"PIT6040","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Preliminary information communicates an issue where the aux switch \"on\" LED indicators do not illuminate within the aux switch if more than one aux switch is turned on. The aux switches do work regardless of how many are turned on, but the \"on\" LED indicator will only be illuminated in which ever aux switch is first pressed. Dealers are to reprogram the BCM to correct this concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240784-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10240784-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10240784","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_gmc_sierra"]}],"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":[]}