{"nhtsa_id":11018531,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-05-21","date":"2025-05-21","document_id":"N242483540-01","mfr_campaign":"N242483540-01","replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Certain vehicles listed above may have a condition in which the transmission may not shift properly. Dealers are to replace the transmission check balls and valve body spacer plate.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018531-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018531-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11018531","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2024,"year_to":2024,"match":"base","vehicle_ids":["2024_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":[]}