FIA Explains 'Unprecedented' Power Glitch That Paralyzed Malaysia GP Start

The FIA has revealed that an "unprecedented" technical glitch caused several frontrunners, including Max Verstappen and Lewis Hamilton, to nearly grind to a halt during the formation lap of the Grand Prix in Malaysia. The chaos, exacerbated by heavy rain at Sepang, forced an hour-long delay before an emergency software update could be deployed to the entire grid to allow the race to proceed.

Why it matters:

This incident exposes the inherent volatility of the 2026 power unit regulations, which transitioned the sport to a system that is nearly 50% electric. The sudden loss of power in unpredictable conditions raises significant safety concerns, as drivers found themselves unable to control acceleration amidst low-visibility spray, creating a high risk of multi-car collisions.

The details:

• The Cause: A combination of low engine speeds, low grip, and wet-weather energy management settings triggered an unintended power loss in specific circuit sectors.
• Technical Root: Without the MGU-H in the 2026 design, turbos spool down during long off-throttle periods. When drivers re-accelerate, the battery drains rapidly; once exhausted, the internal combustion engine alone cannot meet the required torque demand.
• The Regulation Trap: This power deficit triggered FIA constraints designed to prevent traction control, effectively penalizing the cars by further restricting power just as the drivers attempted to accelerate.
• The Fix: The FIA Technical Department removed the energy limit constraints in affected sectors via a software release distributed during the weather delay.

Between the lines:

The frustration expressed by drivers like Charles Leclerc highlights a growing tension regarding the "driveability" of the 2026 cars. The complexity of managing power delivery—where drivers are punished for early throttle application or late braking—has made the cars more temperamental and less intuitive than previous generations.

What's next:

The FIA and power unit manufacturers are launching a full review of the incident to prevent a recurrence. As the paddock heads to Singapore for the final Sprint weekend of the season, the focus will be on whether these power delivery issues persist in other high-humidity or volatile environments.