{"nhtsa_id":607416,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-09-22","date":"1998-02-19","document_id":"983151","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"SOME VEHICLES WITH A P0421 CODE STORED IN THE POWERTRAIN CONTROL MODULE (PCM) MAY NOT BE ABLE TO IDENTIFY THE CALIBRATION WHEN REPROGRAMMING. *AK","document":null,"url":"https://open.wenmarpro.com/bulletins/607416","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":["P0421"],"topics":[],"vehicles":[{"make":"FORD","model":"PROBE","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_ford_probe"]}],"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":[]}