{"nhtsa_id":10004283,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-12-01","date":"2003-10-01","document_id":"020604057C","mfr_campaign":null,"replaces":"020604057B","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"LABOR OPERATION ASSIGNMENTS FOR CONTROL MODULE PROGRAMMING. VARIOUS MODELS INCLUDING 2004 AND PRIOR PASSENGER CARS AND TRUCKS, 2003-2004 KODIAK C4500-C8500 AND TOPKICK C4500-C8500 SERIES MODELS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004283","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"KODIAK","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"TOPKICK","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"HUMMER","model":"H2","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_hummer_h2","2004_hummer_h2"]}],"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":[]}