{"source":"tc","country":"ca","campaign":"2001252","date":"2001-10-22","owner_notified":null,"manufacturer":null,"component":"Powertrain","summary":"Certain sport utility vehicles Trailblazer and GMC Envoy (4 wheel-drive).  The calibration of the automatic transfer case control module or a range shift collar that  was not machined properly may cause insufficient high speed gear engagement. If the gear is not engaged, the vehicle can roll when the transmission is in \"Park\" and a crash could  result without warning . Correction: Dealers are to perform a \"clean neutral\" test, as described in the bulletin and if the ratcheting noise is detected during the test, the dealers are to replace the transfer case.","consequence":null,"remedy":null,"notes":null,"mfr_campaign":"01064","part_number":null,"units":1068,"completion":null,"do_not_drive":null,"park_outside":null,"notification":"Safety Mfr","french":{"component":"Groupe motopropulseur","notification":"Sécurité - fabricant","summary":"Sur certains véhicules utilitaires sport Trailblazer et GMC Envoy à quatre roues motrices, un mauvais étalonnage du module de commande de la boîte de transfert automatique ou un manchon de changement de gamme mal usiné peut faire en sorte que le pignon haute vitesse ne se mette pas complètement en prise. Si le pignon n'est pas bien engagé, le véhicule peut se déplacer inopinément même si la transmission est en position de stationnement (PARK) et un accident imprévisible peut se produire. Correction : Les concessionnaires devront mettre la transmission à l'essai conformément aux instructions du bulletin de service du constructeur et, si un cliquètement se fait entendre pendant l'essai, ils devront remplacer la boîte de transfert."},"vehicles":[{"year":2002,"make":"CHEVROLET","model":"TRAILBLAZER","vehicle_id":"2002_chevrolet_trailblazer","match":"exact","built_from":null,"built_to":null},{"year":2002,"make":"GMC","model":"ENVOY","vehicle_id":"2002_gmc_envoy","match":"exact","built_from":null,"built_to":null}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":["Contains information licensed under the Open Government Licence – Canada."],"url":"https://open.wenmarpro.com/recalls/tc/2001252"}