{"nhtsa_id":606221,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-08-13","date":"1999-06-01","document_id":"99870","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"INFORMATION ON NEW ENGINE ELECTRONIC CONTROL UNIT (EECU) FAULT CODES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/606221","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"VNL","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"VOLVO","model":"VNM","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"VOLVO","model":"WG","year_from":1999,"year_to":1999,"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":[]}