{"nhtsa_id":10112642,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2012-12-12","document_id":"PIP5080","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have a service 4 wheel drive message displayed in the driver's information center. Technician will find Diagnostic Trouble Code C0306, C0321, C0387, C0398, C0396, and C0569. Technician should inspect the terminals at connectors X109 and X3 of the transfer case control module for proper tension, crimp, fully seated and overall condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10112642-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10112642-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10112642","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":["C0306","C0321","C0387","C0396","C0398","C0569"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI XL","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_gmc_yukon"]}],"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":[]}