{"nhtsa_id":10004743,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-01-05","date":"2005-09-01","document_id":"030730004B","mfr_campaign":null,"replaces":"030730004C","component":"POWER TRAIN","mfr_system":null,"summary":"REVISION OF AISIN TRANSMISSION QUALITY CENTER (TQC) PROGRAM BEGINNING OCTOBER 1, 2003. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004743","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"W-SERIES","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"W3500","year_from":2004,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"W4500","year_from":2004,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"W5500","year_from":2004,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"W-SERIES","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"W3500","year_from":2004,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"W4500","year_from":2004,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"W5500","year_from":2004,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"ISUZU","model":"NPR","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"ISUZU","model":"NPR","year_from":2005,"year_to":2005,"match":null,"vehicle_ids":[]},{"make":"ISUZU","model":"NPR","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_isuzu_npr"]},{"make":"ISUZU","model":"NQR","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_isuzu_nqr"]},{"make":"ISUZU","model":"NQR","year_from":2005,"year_to":2006,"match":null,"vehicle_ids":[]}],"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":[]}