{"nhtsa_id":604940,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-05-20","date":"1999-04-23","document_id":"EG00399","mfr_campaign":null,"replaces":null,"component":"VEHICLE SPEED CONTROL:CRUISE CONTROL","mfr_system":null,"summary":"THIS BULLETIN STATES THAT THE OPERATING LOGIC ON CERTAIN VEHICLES' ECMS HAS BEEN REVISED TO IMPROVE ENGINE IDLE SMOOTHNESS (WITH TRANSMISSION IN D RANGE). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/604940","components":[{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"TACOMA","year_from":1995,"year_to":1997,"match":"exact","vehicle_ids":["1995_toyota_tacoma","1996_toyota_tacoma","1997_toyota_tacoma"]}],"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":[]}