{"nhtsa_id":10032889,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-06-08","date":"2009-06-01","document_id":"PIP-4664","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"GMC/CHEVROLET: DTC P0101 WITH NON GM AIR FILTER. MAY ENCOUNTER CONCERN OF REDUCED POWER AND SES LIGHT ON. DIAGNOSTICS MAY REVEAL MAF (MASS AIR FLOW) SENSOR DTC P0101. IF DIAGNOSTICS WERE INCONCLUSIVE ITS POSSIBLE DTC P0101 IS SETTING DUE TO A NON GM AIR FILTER. NON GM AIR FILTERS HAVE SHOWN A SLIGHTLY HIGHER THAN NORMAL MAF READING. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032889","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0101"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_chevrolet_silverado","2008_chevrolet_silverado","2009_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_gmc_sierra","2008_gmc_sierra","2009_gmc_sierra"]}],"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":[]}