{"nhtsa_id":10022472,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-08-15","date":"2007-06-01","document_id":"070419001","mfr_campaign":null,"replaces":"070419001A","component":"POWER TRAIN:DRIVELINE","mfr_system":null,"summary":"INTERMITTENT/INOPERATIVE FOUR WHEEL DRIVE, SERVICE 4WD SYSTEM LAMP ON AND DTC C0378 - FRONT AXLE SWITCH CIRCUIT SIGNAL INVALID. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10022472","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["C0378"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"AVALANCHE 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"SUBURBAN 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_chevrolet_tahoe"]},{"make":"GMC","model":"YUKON","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_gmc_yukon"]},{"make":"GMC","model":"YUKON XL 1500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_gmc_yukon-xl"]},{"make":"GMC","model":"YUKON XL 2500","year_from":2007,"year_to":2007,"match":"base","vehicle_ids":["2007_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":[]}