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NHTSA's Office of Defects Investigation (ODI) - Complaints - NHTSA API

Published by National Highway Traffic Safety Administration | Department of Transportation | Metadata Last Checked: June 24, 2025 | Last Modified: 2024-05-01
Complaint information entered into NHTSA-ODI's vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists. Complaint information is also analyzed to monitor existing recalls for proper scope and adequacy.

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