{"nhtsa_id":10114479,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2015-04-22","document_id":"PIP4013D","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0300. After performing all published Service Information diagnostics and a solution has not been made technician should perform the \"Cylinder Leakage Test\" procedure in SI and document all leakage rates on the repair order. If a leaking intake valve is found, replace the cylinder head and valves by following the latest versions of 07-06-01-018 (Regular Production Option Code LL8 4.2L), 06-06-01-017 (Regular Production Option Codes L52, LK5) and 07-06-01-019 (Regular Production Option Codes LLR, LLV). Before replacing the cylinder head, review the latest version of PIP3940.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10114479-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10114479-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114479","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","parent":null}],"codes":["P0300"],"topics":[],"vehicles":[{"make":"BUICK","model":"RAINIER","year_from":2005,"year_to":2007,"match":"exact","vehicle_ids":["2005_buick_rainier","2006_buick_rainier","2007_buick_rainier"]},{"make":"CHEVROLET","model":"COLORADO","year_from":2006,"year_to":2012,"match":"exact","vehicle_ids":["2006_chevrolet_colorado","2007_chevrolet_colorado","2008_chevrolet_colorado","2009_chevrolet_colorado","2010_chevrolet_colorado","2011_chevrolet_colorado","2012_chevrolet_colorado"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2005,"year_to":2009,"match":"exact","vehicle_ids":["2005_chevrolet_trailblazer","2006_chevrolet_trailblazer","2007_chevrolet_trailblazer","2008_chevrolet_trailblazer","2009_chevrolet_trailblazer"]},{"make":"GMC","model":"CANYON","year_from":2006,"year_to":2012,"match":"exact","vehicle_ids":["2006_gmc_canyon","2007_gmc_canyon","2008_gmc_canyon","2009_gmc_canyon","2010_gmc_canyon","2011_gmc_canyon","2012_gmc_canyon"]},{"make":"GMC","model":"ENVOY","year_from":2005,"year_to":2009,"match":"exact","vehicle_ids":["2005_gmc_envoy","2006_gmc_envoy","2007_gmc_envoy","2008_gmc_envoy","2009_gmc_envoy"]},{"make":"HUMMER","model":"H3","year_from":2006,"year_to":2010,"match":"exact","vehicle_ids":["2006_hummer_h3","2007_hummer_h3","2008_hummer_h3","2009_hummer_h3","2010_hummer_h3"]}],"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":[]}