Search Results for keywords:"defect investigation"

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Search Results: keywords:"defect investigation"

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  • 2021-00501 — Denial of Motor Vehicle Defect Petition
    Type:Notice
    Citation:86 FR 2733
    Reading Time:about 23 minutes

    The National Highway Traffic Safety Administration (NHTSA), part of the Department of Transportation, announced the denial of a petition to investigate a recall of Tesla vehicles over alleged sudden unintended acceleration (SUA). The petitioner, Mr. Brian Sparks, had claimed a defect caused these vehicles to accelerate unexpectedly, posing a safety risk. However, after extensive analysis of data from Tesla and crash incidents, NHTSA found that the cause of the alleged SUA incidents was most likely driver error, specifically pedal misapplication. The agency found no evidence of a defect in Tesla's motor, brake systems, or vehicle design that would justify a vehicle recall.

    Simple Explanation

    The NHTSA looked into a complaint that some Tesla cars might speed up on their own, but they found it wasn't the car's fault. Instead, they think people might be pressing the wrong pedal by accident.

  • 2025-00969 — Denial of Motor Vehicle Defect Petition
    Type:Notice
    Citation:90 FR 4846
    Reading Time:about 5 minutes

    The National Highway Traffic Safety Administration (NHTSA) has denied a petition from Aldelberto A. Cordova requesting an investigation into an alleged defect in the 2023 Mercedes-Benz GLC300's 48-volt system, which reportedly caused warning lights to illuminate and led to starting issues. After reviewing the petition and information from Mercedes-Benz, NHTSA concluded that the problems may be linked to a software error in a different component, the Central Powertrain Controller (CPC), which is already being addressed through a service campaign by Mercedes-Benz. NHTSA found no grounds for a safety defect investigation at this time, but will continue to monitor any new safety information.

    Simple Explanation

    The U.S. car safety agency, which checks if cars have problems, looked into a complaint about a special battery in a 2023 Mercedes car that made warning lights turn on and stopped the car from starting. After checking it out, they found it wasn't a big safety problem since Mercedes is already fixing something else that might be the cause, and they'll keep an eye on the situation.