{"nhtsa_id":10018537,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-06","date":null,"document_id":"3609A","mfr_campaign":null,"replaces":"3609B","component":"POWER TRAIN","mfr_system":null,"summary":"HARSH 1-2 SHIFT, MALFUNCTION INDICATOR LAMP ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0894 STORED IN PCM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10018537","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0894"],"topics":[],"vehicles":[{"make":"BUICK","model":"RAINIER","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_buick_rainier"]},{"make":"CADILLAC","model":"ESCALADE","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_cadillac_escalade","2006_cadillac_escalade"]},{"make":"CHEVROLET","model":"AVALANCHE","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_avalanche","2006_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"COLORADO","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_chevrolet_colorado"]},{"make":"CHEVROLET","model":"CORVETTE","year_from":2005,"year_to":2005,"match":"exact","vehicle_ids":["2005_chevrolet_corvette"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_express","2006_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_silverado","2006_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_suburban","2006_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_tahoe","2006_chevrolet_tahoe"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_trailblazer","2006_chevrolet_trailblazer"]},{"make":"GMC","model":"CANYON","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_canyon","2006_gmc_canyon"]},{"make":"GMC","model":"ENVOY","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_envoy","2006_gmc_envoy"]},{"make":"GMC","model":"SAVANA","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_savana","2006_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_sierra","2006_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2005,"year_to":2005,"match":"base","vehicle_ids":["2005_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_yukon","2006_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI","year_from":2005,"year_to":2005,"match":"base","vehicle_ids":["2005_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_gmc_yukon-xl","2006_gmc_yukon-xl"]},{"make":"HUMMER","model":"H2","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_hummer_h2","2006_hummer_h2"]},{"make":"HUMMER","model":"H3","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_hummer_h3"]},{"make":"PONTIAC","model":"GTO","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_pontiac_gto","2006_pontiac_gto"]},{"make":"SAAB","model":"9-7X","year_from":2006,"year_to":2006,"match":"exact","vehicle_ids":["2006_saab_9-7x"]}],"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":[]}