2010 Toyota PRIUS NHTSA Investigations
Defect Investigations
The following investigations on the Toyota PRIUS have been announced by the ODI. Interested in how this information is collected? Read more about investigations by the NHTSA.
Recent 2010 PRIUS Investigations
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Braking Performance, Hybrid Vehicle Defect Investigation for the 2010 PRIUS
Vehicle Component: Service Brakes, Hydraulic:Power Assist*
Summary: The subject vehicles are the first model year of a new design generation of the prius model line. The vehicles are powered by a hybrid drive system that uses both a regenerative braking system, which converts vehicle momentum into electrical energy to be stored in onboard batteries, and a hydraulic brake system more typical of the brake system used on non-hybrid vehicles. As is the case for other similarly designed hybrid vehicles the interaction and management of the two braking systems during ABS braking is complex and requires a sophisticated control system. In a February 9, 2010 defect information report, Toyota advised the Agency of its plans to conduct a safety recall to address inconsistent brake feel and increased stopping distances that may occur during braking events requiring ABS operation, such as would occur when braking on rough or low friction road surfaces. Toyota will reprogram the ABS control unit with improved software that addresses this condition. Based on Toyota's action the investigation is closed. ODI will continue to monitor the subject vehicles' performance and will take further action as future circumstances dictate.
More Details: For detailed information & supporting documents, see the official NHTSA page concerning investigation #PE10006 »
Status of Investigation: This investigation was closed on July 12 2010 and no recall was issued.
* This defect investigation is filed under 7 related vehicle components.