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U.S. Auto Safety Agency Concludes Investigation into Tesla Deceleration Reports

A federal investigation into claims of sudden, unintended deceleration in certain Tesla vehicles has been closed. The National Highway Traffic Safety Administration examined consumer complaints regarding the electric car manufacturer.

7/25/2026, 2:31:56 AM

The National Highway Traffic Safety Administration (NHTSA) has finalized its inquiry into a series of reports concerning Tesla automobiles. These reports alleged instances of unexpected braking or deceleration without driver input. According to Investing.com, the agency initiated its investigation in February 2022, following numerous complaints from owners of various Tesla models. The focus was on determining the prevalence and root causes of vehicles unexpectedly slowing down while in motion. The NHTSA's review encompassed approximately 1.9 million vehicles across several model years, including the Model 3, Model Y, Model S, and Model X. The scope of the probe aimed to identify any systemic issues that could lead to such safety concerns. During the course of the investigation, the administration analyzed a significant volume of data, including consumer complaints and information provided by Tesla. The agency sought to understand the circumstances under which these deceleration events occurred. Ultimately, the NHTSA opted to conclude its formal investigation. The decision indicates that the agency did not find sufficient evidence to warrant further action or to declare a safety defect requiring a recall based on the reported incidents of unexpected deceleration. This closure means that while individual complaints may still be recorded, the federal government will not be pursuing a broad safety recall related to this specific issue at this time. The automotive safety watchdog regularly reviews potential defects in all vehicle makes and models to ensure public safety.

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