{"nhtsa_id":10118647,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-12","date":"2012-10-17","document_id":"PI0837","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"This preliminary informational bulletin provides information on a Hesitation or \"Sag\" on Acceleration After Coast (Reprogram TCM and ECM).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10118647-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10118647-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10118647","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_chevrolet_impala","2013_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":[]}