{"nhtsa_id":10186069,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-02-01","date":"2020-12-01","document_id":"19NA136","mfr_campaign":null,"replaces":null,"component":"PARKING BRAKE; EQUIPMENT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","mfr_system":null,"summary":"This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10186069-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10186069-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10186069","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2015,"year_to":2019,"match":"exact","vehicle_ids":["2015_cadillac_escalade","2016_cadillac_escalade","2017_cadillac_escalade","2018_cadillac_escalade","2019_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2015,"year_to":2016,"match":"base","vehicle_ids":["2015_cadillac_escalade","2016_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2017,"year_to":2019,"match":"exact","vehicle_ids":["2017_cadillac_escalade-esv","2018_cadillac_escalade-esv","2019_cadillac_escalade-esv"]},{"make":"CHEVROLET","model":"COLORADO","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_chevrolet_colorado","2016_chevrolet_colorado","2017_chevrolet_colorado","2018_chevrolet_colorado"]},{"make":"CHEVROLET","model":"COLORADO","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_chevrolet_colorado","2021_chevrolet_colorado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2017,"year_to":2021,"match":"base","vehicle_ids":["2017_chevrolet_silverado","2018_chevrolet_silverado","2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2014,"year_to":2021,"match":"base","vehicle_ids":["2014_chevrolet_silverado","2015_chevrolet_silverado","2016_chevrolet_silverado","2017_chevrolet_silverado","2018_chevrolet_silverado","2019_chevrolet_silverado","2020_chevrolet_silverado","2021_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2015,"year_to":2019,"match":"exact","vehicle_ids":["2015_chevrolet_suburban","2016_chevrolet_suburban","2017_chevrolet_suburban","2018_chevrolet_suburban","2019_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2015,"year_to":2019,"match":"exact","vehicle_ids":["2015_chevrolet_tahoe","2016_chevrolet_tahoe","2017_chevrolet_tahoe","2018_chevrolet_tahoe","2019_chevrolet_tahoe"]},{"make":"GMC","model":"CANYON","year_from":2015,"year_to":2021,"match":"exact","vehicle_ids":["2015_gmc_canyon","2016_gmc_canyon","2017_gmc_canyon","2018_gmc_canyon","2019_gmc_canyon","2020_gmc_canyon","2021_gmc_canyon"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_gmc_sierra"]},{"make":"GMC","model":"SIERRA 1500","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_gmc_sierra","2021_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2014,"year_to":2021,"match":"base","vehicle_ids":["2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra","2020_gmc_sierra","2021_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2015,"year_to":2019,"match":"base","vehicle_ids":["2015_gmc_sierra","2016_gmc_sierra","2017_gmc_sierra","2018_gmc_sierra","2019_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2015,"year_to":2019,"match":"exact","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon","2019_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":[]}