{"nhtsa_id":10129072,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-02-21","date":"2018-01-17","document_id":"PIP5504A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"This Preliminary Information communication provides information and definitionsto the technician about vehicles that have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed and no debris is found in the transmission fluid pan the technicians are instructed to flush the transmission fluid three times. If debris is found in the transmission fluid pan the technicians are instructed to also replace the torque converter.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10129072-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10129072-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10129072","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_chevrolet_suburban","2017_chevrolet_suburban","2018_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_chevrolet_tahoe","2017_chevrolet_tahoe","2018_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 3500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2016,"year_to":2017,"match":"base","vehicle_ids":["2016_gmc_sierra","2017_gmc_sierra"]},{"make":"GMC","model":"YUKON DENALI","year_from":2016,"year_to":2018,"match":"base","vehicle_ids":["2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]}],"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":[]}