Tesla Semi's In-House Stability Control Tech Targets Icy Road Safety

Executive Briefing

• Demonstrates Vehicle Dynamics Control (VDC) using multi-motor torque and brake adjustments per wheel on ice
• Shows trailer swaying significantly during testing while cab remains largely stable under heavy concrete and steel load
• Reveals system developed entirely in-house, relying on high-resolution sensing and precise motor controls
• Raises concerns given Tesla Semi's track record: real-world range falls 25% short of promised 500 miles
• Notes prior Semi issues including parking brake recalls and software failures at PepsiCo fleet deployments