{"nhtsa_id":634907,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-10","date":"2002-06-01","document_id":"020527001","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT","mfr_system":null,"summary":"TECHNICAL SERVICE INFORMATION ON ANTILOCK BRAKE SYSTEM (ABS) INDICATOR ILLUMINATES WHEN POWER TAKEOFF (PTO) IS ENGAGED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634907","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C SERIES","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"T SERIES","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_chevrolet_t-series","2002_chevrolet_t-series"]},{"make":"GMC","model":"C SERIES","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"T SERIES","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_gmc_t-series","2002_gmc_t-series"]}],"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":[]}