{"nhtsa_id":10126041,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-12-22","date":"2016-05-05","document_id":"GCUS-3-533","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"23950 - Customer Satisfactory Program. These vehicles may have been assembled without certain software updates and components. The missing software and components could include, depending on the vehicle: (i) updated software for the sensing and diagnostic module (SDM), the transmission control module (TCM), and/or the body control module (BCM); (ii) left and/or right ?wishbone? frame reinforcements; and (iii) high-intensity discharge (HID) headlamps (in place of the halogen headlamps); and (iv) an owners? manual. Dealers are to perform the software updates and install the needed parts, as required.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10126041-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10126041-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10126041","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_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":[]}