{"nhtsa_id":11034053,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-06-25","date":"2026-06-09","document_id":"661.51","mfr_campaign":"661.51","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"BCM, ARB, ECM: BCM (Body Control Module), ARB (Articulated Running Boards), ECM (Engine Control Module)","summary":"• Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts. • Improvements to start reliability and reduced check engine light activation. • Improvements to turbo system diagnostics. • Improvements to reliability when extending the running boards on your vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034053-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034053-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034053","components":[],"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":[]}