{"nhtsa_id":10012066,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-02-10","date":"2004-11-24","document_id":"804","mfr_campaign":null,"replaces":"804R","component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"SPEEDOMETER AND ODOMETER INFORMATION. INFORMATION ABOUT CALIBRATION, EXPECTED PERFORMANCE, AND DESIGN DIFFERENCES IN MECHANICAL AND ELECTRONIC INSTRUMENTATION SYSTEMS IN PETERBILT VEHICLES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10012066","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","year_from":null,"year_to":null,"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":[]}