NHTSA investigationDP90017
Investigation DP90017: 1988 GMC Suburban
- Status
- CLOSED
- Opened
- Aug 24, 1990
- Closed
- Dec 21, 1990
- Model years
- 1988
Subject
Inadequate exhaust heat shield
Component: Visibility › Defroster/defogger/hvac system
Summary
Inadequate exhaust heat shield
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
- 1988 GMC Suburban8 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.