{"nhtsa_id":11013227,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-01-29","date":"2025-01-29","document_id":"N242450630","mfr_campaign":"N242450630","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013227-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013227-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013227","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_cadillac_ct4","2022_cadillac_ct4","2023_cadillac_ct4"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2022,"year_to":2022,"match":"base","vehicle_ids":["2022_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":[]}