{"nhtsa_id":10171256,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-10","date":"2020-01-06","document_id":"PIT5730","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; SERVICE BRAKES","mfr_system":null,"summary":"This Preliminary information communicates repair information on Service Brake System, Reduced Engine Power, and Speed Limited messages on the DIC. Along with these messages, a SES MIL will be on and the brake pedal may feel hard. When checking for DTC's the Brake System Control Module (BSCM) with have set a P0606 and C0021. Dealers are to reprogram the BSCM with updated calibrations to correct the concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171256-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171256-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171256","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"electrical","name":"Electrical system","parent":null}],"codes":["C0021","P0606"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_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":[]}