{"nhtsa_id":10123492,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-17","date":"2015-09-16","document_id":"GCUS-9-286","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"15304 - Service Update. This bulletin provides a service procedure to reprogram the transfer case control module on the vehicles listed above. In low ambient temperatures, below 5°F (-15°C) a transfer case brake motor assembly malfunction may occur. Diagnostic Trouble Code (C0398 - Range Position Correlation Fault) will be set, locking the transfer case in ?4HI? until the vehicle is serviced. This software update also addresses other transfer case control issues for overall improved drivability.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10123492-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10123492-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10123492","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":["C0398"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chevrolet_tahoe"]},{"make":"GMC","model":"CANYON","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_gmc_canyon"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2015,"match":"base","vehicle_ids":["2014_gmc_sierra","2015_gmc_sierra"]},{"make":"GMC","model":"YUKON XL","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_gmc_yukon-xl"]}],"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":[]}