{"nhtsa_id":635267,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-21","date":"2002-04-05","document_id":"4317","mfr_campaign":null,"replaces":"4317","component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"SUBJECT REGARDING QUALITY UPGRADE SOFTWARE DEVELOPED FOR AUTOMATIC TRANSMISSION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/635267","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"S80","year_from":1999,"year_to":2001,"match":"exact","vehicle_ids":["1999_volvo_s80","2000_volvo_s80","2001_volvo_s80"]}],"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":[]}