Skip to content
NHTSA investigationDP21004

Investigation DP21004: Semi-Trailer Semi-Trailer

Status
CLOSED
Opened
Nov 17, 2021
Closed
Jun 22, 2022
Model years
—

Subject

Semi-Trailer Side Underride Guards

Component: Structure › Underride

Summary

See the attached evaluation report.

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.