{"nhtsa_id":11034055,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-06-25","date":"2026-06-10","document_id":"661.20","mfr_campaign":"661.20","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"IPC: IPC (Instrument Panel Cluster)","summary":"• If you are equipped with Diesel engine then: Improvements to accuracy for Diesel Exhaust Fluid level shown in driver display.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034055-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034055-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034055","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","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":[]}