Nearly every Tesla Model S, Model X, Model 3 and Model Y sold in the US are included in the study, which focuses on 1.8 million vehicles in total.

After receiving complaints from customers, the NHTSA declined to conduct a further investigation into the unintended acceleration in Tesla EVs.

 The initial petition requesting an investigation of Tesla's unintentional acceleration was submitted to the NHTSA in January 2020.

This comes in response to a fresh petition that purports to include fresh details regarding an inverter design issue.

An inquiry into potential unintended acceleration has been resumed by the National Highway Traffic Safety Administration (NHTSA).

following a petition that was received by the Office of Defects Investigation (ODI) on June 29, 2023, on Tesla automobiles.

Roland Belt of Plymouth, Minnesota, submitted the fresh petition that caused the NHTSA to change its decision.

Belt highlighted in the petition that the need for additional power from an accessory prevented Tesla's diagnostics system from identifying it as an issue.