Wrench.Pro — NHTSA investigations (dataset)
Generated 2026-09-21. Source data through 2026-09-20.

WHAT THIS IS
Defect investigations (PE, EA, RQ, DP) matched to the vehicles they name, with status and any resulting recall.
Source: NHTSA ODI investigations flat file (https://static.nhtsa.gov/odi/ffdd/inv/FLAT_INV.zip)
Note: An open investigation is a question NHTSA is asking, not a finding.

FILES
  bulk.json / bulk.csv      every row
  <make>.csv                one make
JSON files are { meta, rows }. CSV files have a header row and the same columns.

FIELDS
  year                     Model year (integer).
  make                     Make display name.
  make_slug                Make slug as used in Wrench.Pro URLs.
  model                    Model display name.
  model_slug               Model slug as used in Wrench.Pro URLs.
  action_number            NHTSA action number (e.g. PE23011).
  status                   open or closed, as of the last refresh.
  subject                  NHTSA's subject line for the investigation.
  components               NHTSA component string.
  opened                   Date opened (YYYY-MM-DD).
  closed                   Date closed (YYYY-MM-DD), blank while open.
  recall_campaign          Recall campaign number the investigation led to, if any.
  summary                  NHTSA's summary, verbatim.
  vehicle_page             The consumer page for this vehicle on Wrench.Pro.
  data_page                The raw-data page for this vehicle on Wrench.Pro.

LICENSE
CC BY 4.0 (derived data); underlying NHTSA records are US public domain. Attribution link required: https://www.wrench.pro/data/license
Nothing in this license restricts your use of the underlying NHTSA records, which are works of the United States government.

CITE AS
Wrench.Pro (2026). NHTSA investigations [dataset]. https://www.wrench.pro/data/investigations

Method: https://www.wrench.pro/data/methodology#investigations