NHTSA Investigations

5,336 safety defect investigations.

NHTSA Safety Defect Investigations

Browse 5,336 NHTSA safety defect investigations. When a potential safety issue is identified through consumer complaints, recall requests, or other sources, NHTSA opens an investigation to determine the scope and severity of the defect. Investigations may lead to voluntary recalls by manufacturers or, in rare cases, mandatory recall orders. Use the filters below to search by year, manufacturer, status, or keyword.

Investigations

Browse 5,336 NHTSA investigations.

Opened ID Vehicle Subject Units Status
ID94004 ID Closed
ID95001 ID Closed
ID95002 ID Closed
RP93001 RP Closed
RQ89001 RQ Closed
RQ90002 RQ Closed
RQ90003 RQ Closed
RQ90004 RQ Closed
RQ90012 RQ Closed
RQ90013 RQ Closed
RQ90014 RQ Closed
RQ90015 RQ Closed
RQ90016 RQ Closed
RQ90017 RQ Closed
RQ90019 RQ Closed
RQ90021 RQ Closed
RQ90024 RQ Closed
RQ90034 RQ Closed
RQ90038 RQ Closed
RQ90042 RQ Closed
RQ90052 RQ Closed
RQ91006 RQ Closed
RQ91010 RQ Closed
RQ91013 RQ Closed
RQ93005 RQ Closed
RQ93009 RQ Closed
RQ93010 RQ Closed
RQ93019 RQ Closed
RQ94004 RQ Closed
RQ94024 RQ Closed
RQ95001 RQ Closed
RQ95004 RQ Closed
RQ95006 RQ Closed
RQ95007 RQ Closed
RQ95010 RQ Closed
RQ95011 RQ Closed
RQ95012 RQ Closed
RQ96001 RQ Closed
SQ90002 SQ Closed
SQ90010 SQ Closed
SQ90013 SQ Closed
SQ90018 SQ Closed
SQ91026 SQ Closed
SQ91035 SQ Closed
SQ91036 SQ Closed
SQ92008 SQ Closed
SQ92016 SQ Closed
SQ92019 SQ Closed
SQ92022 SQ Closed
SQ93015 SQ Closed

Frequently Asked Questions

When NHTSA receives enough complaints or evidence suggesting a potential safety defect in a vehicle, it opens a formal investigation. The process typically begins with a Preliminary Evaluation (PE) to assess whether a defect trend exists, followed by an Engineering Analysis (EA) if the evidence warrants deeper examination. Investigations can result in voluntary recalls by the manufacturer, mandatory recall orders, or closure if no defect is confirmed.

An "Open" investigation means NHTSA is actively reviewing the potential safety defect — engineers are collecting data, analyzing complaints, and may be testing vehicles. A "Closed" investigation means the review is complete. Closure can mean the manufacturer issued a recall, NHTSA determined no defect exists, or the issue was resolved through other means such as a technical service bulletin or design change in newer models.

Roughly half of NHTSA investigations result in a safety recall. The rest are closed without a recall — either because the defect couldn't be confirmed, the failure rate was too low to warrant a recall, or the manufacturer addressed the issue voluntarily through other channels. Investigations involving higher injury or fatality counts, or those affecting a large number of vehicles, are more likely to result in recalls.