{"nhtsa_id":10025287,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-07-25","date":"2008-04-01","document_id":"08-04-21-003","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"SERVICE ALL WHEEL DRIVE AND/OR ALL WHEEL DRIVE OFF MESSAGE DISPLAYED IN DIC, DTC C0394 SET (INSPECT REAR DIFFERENTIAL WIRING HARNESS AND REPAIR, IF NECESSARY). *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10025287","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":["C0394"],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCLAVE","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_buick_enclave"]},{"make":"GMC","model":"ACADIA","year_from":2007,"year_to":2008,"match":"exact","vehicle_ids":["2007_gmc_acadia","2008_gmc_acadia"]},{"make":"SATURN","model":"OUTLOOK","year_from":2007,"year_to":2008,"match":"exact","vehicle_ids":["2007_saturn_outlook","2008_saturn_outlook"]}],"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":[]}