{"nhtsa_id":10085115,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-29","date":"2012-10-24","document_id":"PI0845","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO PERFORM AN AIR LEAK INSPECTION TO CORRECT A CUSTOMER CONCERN ON AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL), AND A REDUCED ENGINE POWER MESSAGE DISPLAYED DUE TO THE ENGINE CONTROL MODULE (ECM) DETECTING THAT THE DIESEL PARTICULATE FILTER (DPF) HAS ACCUMULATED 70 GRAMS OR MORE OF SOOT.","document":null,"url":"https://open.wenmarpro.com/bulletins/10085115","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_chevrolet_express","2012_chevrolet_express","2013_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"GMC","model":"SAVANA","year_from":2011,"year_to":2013,"match":"exact","vehicle_ids":["2011_gmc_savana","2012_gmc_savana","2013_gmc_savana"]},{"make":"GMC","model":"SIERRA 1500","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_gmc_sierra","2012_gmc_sierra","2013_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":[]}