{"nhtsa_id":10020841,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-01-24","date":"2006-06-01","document_id":"060421002","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"SERVICE 4WD/TRACTION OFF MESSAGE DISPLAYED, TRACTION OFF LIGHT ILLUMINATED. TRANSFER CASE SELECTOR SWITCH INOPERATIVE, DTC'S C0276 & C0327 SET. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10020841","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":["C0276","C0327"],"topics":[],"vehicles":[{"make":"HUMMER","model":"H3","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_hummer_h3"]}],"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":[]}