NHTSA investigationDP05009
Investigation DP05009: 1999–2003 Chevrolet Sierra
- Status
- CLOSED
- Opened
- Dec 20, 2005
- Closed
- May 31, 2006
- Model years
- 1999–2003
Subject
Parking brake failure
Component: Parking brake › Conventional
Summary
Odi's review of complaint data received since the close of ea04-011 revealed no indication that the investigation should be re-opened.more details can be found in the federal register notice enclosed in the dp05-009 public file.odi reserves the right to reopen the investigation in the future should conditions warrant.
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.
Model years covered
- 2001 Chevrolet Sierra9 complaints
- 2000 Chevrolet Sierra9 complaints
- 1999 Chevrolet Sierra11 complaints
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.