{"nhtsa_id":618275,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-04-11","date":"2001-02-02","document_id":"020201","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"SUBJECT OF THIS SERVICE MESSAGE IS A PERCEIVED NEUTRAL CONDITION APPROXIMATELY 40 TO 45 MILES AN HOUR ON 4L60E AUTOMATIC TRANSMISSION. DRIVERS WHO EXPERIENCED THIS CONDITION MAY STATE THAT IT OCCURRED WHEN THEY WERE ACCELERATING AND REACHED APPROXIMATELY 40 TO 45. AT THAT POINT THE TRANSMISSION APPEARED TO STOP PULLING AND WENT INTO NEUTRAL. THIS CONDITION MAY OCCUR VERY INFREQUENTLY. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/618275","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CADILLAC","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"CHEVROLET","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"OLDSMOBILE","model":"OLDSMOBILE","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"PONTIAC","model":"PONTIAC","year_from":null,"year_to":null,"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":[]}