{"nhtsa_id":623398,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-29","date":"2001-04-30","document_id":"300401","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"SUBJECT REGARDING HARSH SHIFTS ON AUTOMATIC TRANSMISSION. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/623398","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"ASTRO","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"BLAZER","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_blazer"]},{"make":"CHEVROLET","model":"CAMARO","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_camaro"]},{"make":"CHEVROLET","model":"CORVETTE","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_corvette"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_express"]},{"make":"CHEVROLET","model":"JIMMY","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"S10","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SIERRA","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SONOMA","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_tahoe"]},{"make":"CHEVROLET","model":"YUKON","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"BLAZER","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"ENVOY","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"EXPRESS","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"JIMMY","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAFARI","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_gmc_safari"]},{"make":"GMC","model":"SAVANA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_gmc_sierra"]},{"make":"GMC","model":"SONOMA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_gmc_sonoma"]},{"make":"GMC","model":"SUBURBAN","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"TAHOE","year_from":2001,"year_to":2001,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"YUKON","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_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":[]}