NHTSA investigationDP78020
Investigation DP78020: Vehicles
- Status
- CLOSED
- Opened
- Jan 19, 1978
- Closed
- May 26, 1978
- Model years
- —
Subject
121 braking system, brakes slow to relea
Summary
121 braking system, brakes slow to release
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 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.