{"nhtsa_id":11013028,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-01-23","date":"2025-01-08","document_id":"23-NA-081","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"This informational bulletin provides information for dealers/technicians on High Output Engine Calibration Installation Process.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013028-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013028-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013028","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_chevrolet_colorado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_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":[]}