NHTSA investigationEA80022
Investigation EA80022: Vehicles
- Status
- CLOSED
- Opened
- Nov 14, 1979
- Closed
- Feb 12, 1980
- Model years
- —
Subject
Air brake ratio valve
Summary
There is no summary currently available
An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.