Over-the-air update 662.30
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.
| Type | Over-the-air update |
|---|---|
| NHTSA id | 11036502 |
| Published by NHTSA | 2026-08-31 |
| Manufacturer's number | 662.30 |
| Manufacturer's date | 2026-07-13 |
| Campaign id or software version | 662.30 |
| NHTSA component | UNKNOWN OR OTHER |
| Manufacturer's 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) |
NHTSA's 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
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
| GMC HUMMER EV PICKUP | 2026 |
|---|---|
| GMC HUMMER EV SUV | 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.