{"nhtsa_id":10143773,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-20","date":"2018-07-23","document_id":"PIP4681E","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the throttle slightly with the Torque Converter Clutch on while cruising at 35-60 miles per hour. Technician should follow all published Service Information diagnostics if the concern is repaired compare to a like vehicle with the same options.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143773-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143773-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143773","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"torque-converter","name":"Torque converter","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2009,"year_to":2014,"match":"exact","vehicle_ids":["2009_cadillac_escalade","2010_cadillac_escalade","2011_cadillac_escalade","2012_cadillac_escalade","2013_cadillac_escalade","2014_cadillac_escalade"]},{"make":"CHEVROLET","model":"AVALANCHE","year_from":2008,"year_to":2013,"match":"exact","vehicle_ids":["2008_chevrolet_avalanche","2009_chevrolet_avalanche","2010_chevrolet_avalanche","2011_chevrolet_avalanche","2012_chevrolet_avalanche","2013_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_chevrolet_express","2018_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2008,"year_to":2011,"match":"base","vehicle_ids":["2008_chevrolet_silverado","2009_chevrolet_silverado","2010_chevrolet_silverado","2011_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2012,"year_to":2012,"match":"base","vehicle_ids":["2012_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2008,"year_to":2013,"match":"exact","vehicle_ids":["2008_chevrolet_suburban","2009_chevrolet_suburban","2010_chevrolet_suburban","2011_chevrolet_suburban","2012_chevrolet_suburban","2013_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2008,"year_to":2013,"match":"exact","vehicle_ids":["2008_chevrolet_tahoe","2009_chevrolet_tahoe","2010_chevrolet_tahoe","2011_chevrolet_tahoe","2012_chevrolet_tahoe","2013_chevrolet_tahoe"]},{"make":"GMC","model":"SAVANA","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_gmc_savana","2018_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_gmc_sierra"]},{"make":"GMC","model":"SIERRA 1500","year_from":2008,"year_to":2010,"match":"base","vehicle_ids":["2008_gmc_sierra","2009_gmc_sierra","2010_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2012,"year_to":2012,"match":"base","vehicle_ids":["2012_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_gmc_sierra"]},{"make":"GMC","model":"YUKON HYBRID","year_from":2008,"year_to":2013,"match":"base","vehicle_ids":["2008_gmc_yukon","2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon","2012_gmc_yukon","2013_gmc_yukon"]},{"make":"HUMMER","model":"H2","year_from":2009,"year_to":2010,"match":"exact","vehicle_ids":["2009_hummer_h2","2010_hummer_h2"]}],"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":[]}