{"nhtsa_id":620150,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-07-19","date":"2001-02-05","document_id":"4322","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"INFORMATION ON THE NEW TRANSMISSION CONTROL MODULES (TCMS) INCORPORATED AS AN IMPROVED PROCESSOR INTRODUCED INTO MY 01 VEHICLES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620150","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"VOLVO","year_from":2001,"year_to":2001,"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":[]}