{"nhtsa_id":10000460,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-02-27","date":"2002-11-01","document_id":"020730044","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"ERRATIC SPEEDOMETER, ERRATIC SHIFTING, CRUISE CONTROL INOPERATIVE, DIAGNOSTIC TROUBLE CODE P0502, P0758, P1860 SET. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000460","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":["P0502","P0758","P1860"],"topics":[],"vehicles":[{"make":"OLDSMOBILE","model":"ALERO","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_oldsmobile_alero"]},{"make":"PONTIAC","model":"GRAND AM","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_pontiac_grand-am"]}],"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":[]}