{"nhtsa_id":11036502,"type":"over_the_air","type_name":"Over-the-air update","date_added":"2026-08-31","date":"2026-07-13","document_id":"662.30","mfr_campaign":"662.30","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":"EBCM, TPIM, BCM, SRR, LRR, ACP, AOS, AMP, RDCM, PFCM, VICM, VCU: EBCM (Electronic Brake Control Module), BCM (Body Control Module), TPIM (Traction Power Inverter Module), SRR (Short Range Radar), LRR (Long Range Radar), ACP3_MCU (ADAS Compute Platform 3 - Microprocessor Control Unit), ACP3_SOC (ADAS Compute Platform 3 - System On A Chip), AOS (Automatic Occupant Sensing Module), AMP (Amplifier), RDCM (Rear Driver Control Module), PFCM (Power Front Closure Module), VICM (Vehicle Integration Control Module), VCU (Virtual Cockpit Unit)","summary":"• Improvements to system responsiveness • Improvements to camera image clarity • Fixes to prevent blank screens and audio drop-outs • Improvements to vehicle software update installation • Additional protection for battery health and to help prevent battery drain • Improved charging messaging in the driver display • Improved vehicle diagnostics • Improved vehicle performance when driving in Reverse on slippery surfaces • Better One-Pedal Driving performance • Additional protection for battery health and prevention for battery drain • Improved accuracy for driver display message • Updates to allow drive mode selection from the center display","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036502-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036502-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036502","components":[],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"HUMMER EV PICKUP","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_gmc_hummer-ev-pickup"]},{"make":"GMC","model":"HUMMER EV SUV","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_gmc_hummer-ev-suv"]}],"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":[]}