{"nhtsa_id":10168966,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-09","date":"2019-11-14","document_id":"PIT5719","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC","mfr_system":null,"summary":"This Preliminary information communicates information on the brake booster pump running at all times even with ignition off. Dealer is to disconnect the brake pipe pressure switch to verify it concern is corrected, if so dealer is to replace the switch. GM Engineering is currently root causing this concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168966-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168966-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168966","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]}],"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":[]}