{"nhtsa_id":10037569,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-05-26","date":"2011-11-01","document_id":"PIT-4539L","mfr_campaign":null,"replaces":"PIT-4539-N","component":"ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR","mfr_system":null,"summary":"GM: A DRIVER MOTOR GENERATOR CONTROL MODULE IS BEING PUT ON RESTRICTION. *RM UPDATED 2/14/12. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10037569","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_cadillac_escalade","2010_cadillac_escalade","2011_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2009,"year_to":2010,"match":"exact","vehicle_ids":["2009_chevrolet_silverado","2010_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_chevrolet_silverado"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2008,"year_to":2011,"match":"exact","vehicle_ids":["2008_chevrolet_tahoe","2009_chevrolet_tahoe","2010_chevrolet_tahoe","2011_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA","year_from":2009,"year_to":2011,"match":"exact","vehicle_ids":["2009_gmc_sierra","2010_gmc_sierra","2011_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2008,"year_to":2011,"match":"exact","vehicle_ids":["2008_gmc_yukon","2009_gmc_yukon","2010_gmc_yukon","2011_gmc_yukon"]}],"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":[]}