Federal Investigators Upgrade Tesla FSD Probe, Potential 3.2 Million Vehicle Recall

The National Highway Traffic Safety Administration escalated its investigation into Tesla’s Full Self-Driving (Supervised) system this week, moving to an "engineering analysis" phase that directly precedes a potential recall. The probe, which began in 2024, examines the camera-based system’s performance in low-visibility conditions and covers approximately 3.2 million Tesla vehicles. This action follows nine associated crashes, including one fatal incident in 2023.

Key Takeaways:

Federal safety regulators have advanced their Tesla FSD investigation to the "engineering analysis" stage, the final step before a potential recall.
The probe focuses on whether Tesla Vision cameras can adequately detect degraded road conditions and alert drivers in time.
As many as 3.2 million Tesla Model 3, S, X, Y, and Cybertruck vehicles equipped with supervised FSD are affected.
Nine crashes, one fatal, are linked to the low-visibility performance issues under investigation.

Focus on Camera-Only "Tesla Vision" System

The investigation specifically scrutinizes the Tesla Vision system, which removed radar sensors and relies entirely on cameras for its driver-assistance features. NHTSA will test the system’s performance on roads with poor visibility and evaluate software updates Tesla has issued. An update to the camera system’s degradation detection was reportedly in development the day after Tesla reported the fatal 2023 crash to regulators.

Fatal Crash Prompts Initial Scrutiny

The investigation was initially opened following a fatal crash in 2023. The agency’s upgraded analysis will further examine complaints that the FSD (Supervised) system may fail to properly identify hazards when road markings are faded, obscured, or otherwise degraded. This phase involves deeper technical evaluation of the system and any proposed remedies from Tesla.

Broader Scrutiny Amid Legal and Regulatory Challenges

This federal probe is the latest in a series of challenges for Tesla’s driver-assistance technology. Earlier this month, a judge upheld a $243 million verdict against Tesla related to a fatal 2019 Autopilot crash. Separately, Tesla is engaged in a lawsuit with the California DMV over allegations of false advertising for using the terms "Autopilot" and "Full Self-Driving."