FIA Software Bug Causes F1 Chaos in Malaysia

FIA software bug at Sepang led to cars stalling during formation laps, forcing a 40-minute race delay.

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Oct 4, 2026

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FIA Software Bug Causes F1 Chaos in Malaysia

FIA software bug at Sepang led to cars stalling during formation laps, forcing a 40-minute race delay.

In brief

FIA software bug at Sepang led to cars stalling during formation laps, forcing a 40-minute race delay. FIA's software bug caused cars to stall at low speeds during formation laps, triggering a 40-minute race delay in Malaysia. Originally reported by Motorsport.

FIA software bug at Sepang

FIA software bug at Sepang

Extremely low speeds behind the safety car triggered an unexpected problem with the FIA software at Sepang.

Race chaos during formation laps

Andrea Kimi Antonelli, Mercedes, Max Verstappen, Red Bull Racing, George Russell, Mercedes

Leader Max Verstappen suffered power loss while driving slowly during formation laps behind the safety car.

FIA director explains bug

Nikolas Tombazis, FIA

FIA single-seater director Nikolas Tombazis confirmed a software bug caused all the chaos during formation laps.

Cars stalled due to bug

FIA Safety Car

The bug prevented power redeployment and caused cars to almost stop completely during formation laps.

Throttle pedal malfunction

Drivers reported throttle pedal stopped working, with engines idling and no acceleration response.

FIA emergency fix

FIA lifted energy limit constraints for minisectors where low speeds triggered the bug.

Race delay consequences

Race delay consequences

Race control stopped the race with a red flag, causing a 40-minute delay before fans saw F1 action.

Why bug occurred

Cars reached extremely low speeds in minisectors, which the software wasn't designed to handle.

FIA's response

FIA implemented an emergency software update to override power reductions in affected minisectors.

Race restart

Race restart

Teams installed updated software, causing a 40-minute delay before the race restarted.

The main idea

FIA's software bug caused cars to stall at low speeds during formation laps, triggering a 40-minute race delay in Malaysia.

Read the original on Motorsport

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