{"nhtsa_id":10177355,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-07-20","date":"2020-06-04","document_id":"A202302140 01","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE","mfr_system":null,"summary":"Service Update - On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test and if necessary, replace the oil pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177355-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177355-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10177355","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P0521","P06DD","P06DE"],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCORE","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_buick_encore"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_trailblazer"]}],"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":[]}