{"nhtsa_id":622381,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-17","date":"2001-06-01","document_id":"5416","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"INFORMATION REGARDING THE VEHICLE DATA COMPUTER (VDC) MILEAGE. THE VEHICLE DATA COMPUTER (VDC) USED SINCE MAY 1998 HAS BEEN PROGRAMMED TO READ AND TO STORE THE VEHICLE MILEAGE FROM THE ENGINE ECM (ELECTRONIC CONTROL MODULE). AS OF 03/21/01, THE VDC SUPPLIER IS NO LONGER PROGRMMING MILEAGE ON A REPLACEMENT VDC. THE VDC SOFTWARE HAS ALSO BEEN CHANGED TO A READ-ONLY VERSION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/622381","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"RECREATIONAL VEHICLE","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":[]}