{"nhtsa_id":10226383,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-11-21","date":"2022-10-18","document_id":"PIT3033B","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician that the Cam gear alignment can be incorrect after replacing the HVAC mode actuator.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10226383-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10226383-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10226383","components":[{"id":"engine","name":"Engine","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"RAINIER","year_from":2004,"year_to":2007,"match":"exact","vehicle_ids":["2004_buick_rainier","2005_buick_rainier","2006_buick_rainier","2007_buick_rainier"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2003,"year_to":2009,"match":"exact","vehicle_ids":["2003_chevrolet_trailblazer","2004_chevrolet_trailblazer","2005_chevrolet_trailblazer","2006_chevrolet_trailblazer","2007_chevrolet_trailblazer","2008_chevrolet_trailblazer","2009_chevrolet_trailblazer"]},{"make":"CHEVROLET","model":"TRAILBLAZER EXT","year_from":2003,"year_to":2004,"match":"base","vehicle_ids":["2003_chevrolet_trailblazer","2004_chevrolet_trailblazer"]},{"make":"CHEVROLET","model":"TRAILBLAZER EXT","year_from":2006,"year_to":2006,"match":"base","vehicle_ids":["2006_chevrolet_trailblazer"]},{"make":"CHEVROLET","model":"TRAILBLAZER EXT 370","year_from":2005,"year_to":2005,"match":"base","vehicle_ids":["2005_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2002,"year_to":2009,"match":"exact","vehicle_ids":["2002_gmc_envoy","2003_gmc_envoy","2004_gmc_envoy","2005_gmc_envoy","2006_gmc_envoy","2007_gmc_envoy","2008_gmc_envoy","2009_gmc_envoy"]},{"make":"GMC","model":"ENVOY XL","year_from":2002,"year_to":2004,"match":"base","vehicle_ids":["2002_gmc_envoy","2003_gmc_envoy","2004_gmc_envoy"]},{"make":"GMC","model":"ENVOY XL","year_from":2006,"year_to":2006,"match":"base","vehicle_ids":["2006_gmc_envoy"]},{"make":"GMC","model":"ENVOY XL 370","year_from":2005,"year_to":2005,"match":"base","vehicle_ids":["2005_gmc_envoy"]},{"make":"GMC","model":"ENVOY XUV","year_from":2003,"year_to":2005,"match":"base","vehicle_ids":["2003_gmc_envoy","2004_gmc_envoy","2005_gmc_envoy"]}],"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":[]}