{"nhtsa_id":11031510,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-04-23","date":"2026-04-23","document_id":"N262548050","mfr_campaign":"N262548050","replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Certain vehicles, may have a condition that could cause the Catalytic Converter to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Catalytic Converter as necessary. The repairs will be made at no charge to the customer.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031510-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11031510-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11031510","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_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":[]}