FIA pledges rigorous software testing after power failures strand cars in Malaysia

Software glitch halts Sepang start

Formula 1 drivers encountered unexpected engine shutdowns and severe power loss during the formation laps ahead of the race at the Sepang International Circuit in Malaysia. Heavy rain prompted race control to lead the field behind the Safety Car, but several cars slowed to a crawl or halted completely on the wet asphalt. Lewis Hamilton in his Ferrari and Max Verstappen in his Red Bull struggled to maintain forward motion, forcing race officials to suspend the start procedure at 15:45 local time. Timing records showed the race was delayed by 53 minutes while engineers worked on a fix, though other estimates placed the delay between nearly an hour and ninety minutes. Verstappen eventually won the contest after the track had dried.

Root cause of the power shutdown

The FIA concluded that an anomaly in the energy management software triggered the breakdown. Under the 2026 technical regulations, power units feature an approximate 50-50 split between internal combustion engines and electric battery propulsion. To maintain vehicle stability on wet surfaces, engineers programmed a mandatory 250-kilowatt power reduction across specific sectors of the Sepang circuit. When competitors circulated at low engine revolutions behind the Safety Car, the management system applied a loss of power that exceeded intended boundaries. The software prevented drivers from recovering power while remaining within those sectors, leaving them unable to accelerate. Former Red Bull motorsport advisor Helmut Marko criticized the breakdown in comments to Austrian outlet oe24.

“That a high-end product like Formula 1 is stopped by a software problem is already embarrassing.”

Prior testing and driver pushback

The federation defended its preparation against assertions that the package lacked track testing before the Malaysian event. Officials stated that teams and engine manufacturers had conducted computer simulations and then ran track evaluations during first practice sessions at the Belgian and Dutch Grands Prix. Those practice sessions occurred on dry tracks, preventing engineers from observing the flaw that surfaced in Malaysia. Drivers criticized the electronic controls, with Mercedes driver George Russell remarking that the spectacle did not feel like Formula 1, while Carlos Sainz argued that the technical regulations have become excessively complex for competitors and engine manufacturers. Reigning champion Lando Norris also condemned the software dependency.

“It is simply terrible and proves that we should not have all this electronic stuff.”

Revised updates for Singapore and Austin

Race officials identified the software defect within five minutes of red-flagging the start procedure and dispatched updated configuration files to the paddock at 15:50 local time. Mechanics across all garages completed installing the patch by 16:20 local time. The FIA confirmed that this emergency Sepang configuration will be reinstated for the Singapore Grand Prix, the seventeenth round of the championship, if wet weather hits the street circuit as forecast. Another software update tailored for wet running will debut at the United States Grand Prix in Austin on 25 October. The governing body, teams, and engine manufacturers committed to expanding collaborative software testing and verification through independent assessments.

1. Belgian Grand PrixInitial wet software evaluated during dry first practice session
2. Dutch Grand PrixSecond track trial conducted during dry first practice session
3. Sepang Grand PrixSoftware bug forces start delay and emergency garage update
4. Singapore Grand PrixSepang patch scheduled for reinstatement in case of forecast rain
5. Oct 25, 2026New wet weather software update released for United States Grand Prix