{"nhtsa_id":10030687,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-11-11","date":"2009-08-01","document_id":"PIT-4853","mfr_campaign":null,"replaces":"PIT-4853B","component":"SERVICE BRAKES, AIR:ANTILOCK; POWER TRAIN","mfr_system":null,"summary":"CADILLAC/CHEVROLET/GMC: CONCERNS REGARDING VEHICLES NO CRANK; LOSS OF HIGH SPEED LAN OR MULTIPLE U CODES IN SEVERAL MODULES; LOSS OF THE POWERTRAIN EXPANSION BUS OR MULTIPLE U CODES IN SEVERAL HYBRID MODULES; SES LAMP, SERVICE BRAKE SYSTEM MESSAGE, SERVICE HYBRID SYSTEM, ETC. *PE UPDATED 3/15/10. *PE UPDATED 3/29/10. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030687","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE HYBRID","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO HYBRID","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_chevrolet_silverado"]},{"make":"CHEVROLET","model":"TAHOE HYBRID","year_from":2008,"year_to":2009,"match":"base","vehicle_ids":["2008_chevrolet_tahoe","2009_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA HYBRID","year_from":2009,"year_to":2009,"match":"base","vehicle_ids":["2009_gmc_sierra"]},{"make":"GMC","model":"YUKON HYBRID","year_from":2008,"year_to":2009,"match":"base","vehicle_ids":["2008_gmc_yukon","2009_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":[]}