{"nhtsa_id":10137867,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-21","date":"2014-03-18","document_id":"PI1198","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE","mfr_system":null,"summary":"This preliminary bulletin provides a procedure to reprogram the ECM/TCM to correct the customers complaint of a harsh bump during tip in/out of throttle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10137867-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10137867-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10137867","components":[{"id":"engine","name":"Engine","parent":null},{"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":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_chevrolet_impala"]}],"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":[]}