{"nhtsa_id":11030439,"type":"service_campaign","type_name":"Service campaign","date_added":"2026-04-01","date":"2026-04-01","document_id":"N252529080","mfr_campaign":"N252529080","replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030439-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030439-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030439","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BRIGHTDROP","model":"600 ELCV","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"BRIGHTDROP","model":"ZEVO 400","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_brightdrop_zevo"]},{"make":"CADILLAC","model":"ESCALADE IQ","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_cadillac_escalade-iq","2026_cadillac_escalade-iq"]},{"make":"CADILLAC","model":"ESCALADE IQL","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_cadillac_escalade-iql"]},{"make":"CHEVROLET","model":"BRIGHTDROP 400","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_chevrolet_brightdrop"]},{"make":"CHEVROLET","model":"BRIGHTDROP 600","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_chevrolet_brightdrop"]},{"make":"CHEVROLET","model":"SILVERADO EV","year_from":2024,"year_to":2026,"match":"base","vehicle_ids":["2024_chevrolet_silverado","2025_chevrolet_silverado","2026_chevrolet_silverado"]},{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-pickup","2025_gmc_hummer-ev-pickup","2026_gmc_hummer-ev-pickup"]},{"make":"GMC","model":"HUMMER EV SUV","year_from":2024,"year_to":2026,"match":"exact","vehicle_ids":["2024_gmc_hummer-ev-suv","2025_gmc_hummer-ev-suv","2026_gmc_hummer-ev-suv"]},{"make":"GMC","model":"SIERRA EV","year_from":2024,"year_to":2026,"match":"base","vehicle_ids":["2024_gmc_sierra","2025_gmc_sierra","2026_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":[]}