{"nhtsa_id":627994,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-03-01","date":"2001-10-15","document_id":"151001","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"INFORMATION ON CAR AND LIGHT DUTY TRUCKS EQUIPPED WITH 4L60E AND 4L65E AUTOMATIC TRANSMISSIONS EXHIBITING DIAGNOSTIC TROUBLE CODE P0756 FOR 2-3 SHIFT VALVE PERFORMANCE THAT IS SET WHEN THE PCM DETECTS A 4-3, 3-4 SHIFT PATTERN. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/627994","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":["P0756"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CHEVROLET","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"CHEVROLET TRUCK","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC","year_from":2001,"year_to":2002,"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":[]}