{"nhtsa_id":11016992,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-15","date":"2025-04-12","document_id":"PIC6593A","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This Preliminary information communicates to the technician what to do when they encounter a service charging system message with a DTC P0621.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016992-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016992-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016992","components":[],"codes":["P0621"],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCORE GX","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_buick_encore-gx","2025_buick_encore-gx"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2024,"year_to":2025,"match":"exact","vehicle_ids":["2024_chevrolet_trailblazer","2025_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":[]}