{"nhtsa_id":10024792,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-05-21","date":"2008-03-01","document_id":"08-07-30-013","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"HYDRA-MATIC 4T65-E (M15) AUTOMATIC TRANSMISSION HARSH SHIFT, SETS FALSE DTC P1811 (REPROGRAM TCM). *NJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10024792","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":["P1811"],"topics":[],"vehicles":[{"make":"BUICK","model":"TERRAZA","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_buick_terraza"]},{"make":"CHEVROLET","model":"UPLANDER","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_chevrolet_uplander"]},{"make":"PONTIAC","model":"MONTANA","year_from":2007,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"SATURN","model":"RELAY","year_from":2007,"year_to":2007,"match":"exact","vehicle_ids":["2007_saturn_relay"]}],"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":[]}