{"nhtsa_id":10114928,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2015-10-28","document_id":"PIP4101B","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 4WD light on and the system inoperative. Technician may find Diagnostic Trouble Code B2725 set. Technician will need to replace the transfer case dash switch.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10114928-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10114928-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114928","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":["B2725"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 2500","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2007,"year_to":2008,"match":"base","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI","year_from":2008,"year_to":2008,"match":"base","vehicle_ids":["2008_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI XL","year_from":2008,"year_to":2008,"match":"base","vehicle_ids":["2008_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_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":[]}