The FSD System’s Struggles

Tesla’s Full Self-Driving (FSD) system is facing serious scrutiny as the National Highway Traffic Safety Administration (NHTSA) escalates its investigation into the technology’s reliability in adverse weather conditions. Reports indicate that the system’s camera sensors are frequently compromised, leading to dangerous situations where the vehicle fails to detect critical obstacles.

According to CleanTechnica, issues arise when cameras are blinded by bright sunlight or rendered ineffective by rain, fog, and other environmental factors. Drivers have reported that the FSD system often fails to warn them of degraded visibility until it’s too late, leaving them unprepared for sudden hazards.

NHTSA Findings and Implications

The NHTSA’s recent findings are alarming. In a detailed report, they highlighted that Tesla’s degradation detection system is inadequate, often activating or continuing to operate without proper recognition of hazardous conditions. This failure to alert drivers can lead to serious crashes, as FSD has been known to misidentify lead vehicles in its path.

The investigation was prompted by numerous incidents where the system did not issue timely warnings under adverse conditions, raising significant concerns about the overall safety of Tesla’s autonomous technology. As noted, “available incident data raise concerns that Tesla’s degradation detection system…fails to detect and/or warn the driver appropriately under degraded visibility conditions,” highlighting the system’s overconfidence in its capabilities.

Hardware and Software Responses

In response to these challenges, Tesla has made some hardware adjustments. In early 2026, the company began implementing a sealed camera housing design for the Model Y, aimed at mitigating issues caused by off-gassing vapors from dashboard materials that can obscure camera functionality. This update is part of Tesla’s ongoing effort to enhance the reliability of its camera systems.

Additionally, software updates have been rolled out, including FSD version 14.1.7, which introduces new obstructed camera detection alerts. These advancements are intended to notify drivers about potential visibility issues caused by dirt, debris, or weather-related obstructions. However, the effectiveness of these updates remains to be seen, especially in critical driving scenarios.

Operational Risks and Crash Statistics

The operational risks associated with Tesla’s FSD system are becoming increasingly evident. As the NHTSA’s investigation continues, the lack of timely alerts regarding camera visibility degradation has been linked to several crashes. Many of these incidents involve conditions like rain or glare that significantly impair the system’s ability to function safely.

• Rain: Obscures lenses and reduces visibility.
• Glare: Bright sunlight can blind the cameras.
• Off-gassing: Haze from dashboard materials creates additional visibility challenges.

These factors contribute to a troubling pattern where FSD fails to deactivate or alert drivers until moments before a potential collision. Such issues underscore the need for robust solutions to ensure driver safety in all weather conditions.

Industry Impact and Future Directions

The intensifying scrutiny from the NHTSA places additional pressure on Tesla’s ambitious plans for its Robotaxi program, which aims to cover a significant portion of the U.S. by the end of 2025. However, as of March 2026, these aspirations remain unfulfilled, confined to supervised trials that have yet to demonstrate autonomous capabilities in real-world conditions.

While Tesla’s updates to camera hardware signal progress, unresolved weather vulnerabilities pose substantial challenges to achieving unsupervised FSD deployment. The industry is closely watching how Tesla navigates these issues, as successful resolution is essential for regulatory approval and consumer trust in autonomous vehicle technology.