Total Complaints
4 filings
CHEVROLET GMT-400 · model year
1998 CHEVROLET GMT-400
4 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1998CHEVROLETGMT-400 carries 4 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 1998 GMT-400 is exterior lighting with 1 filings, followed by visibility/wiper (1) and electrical system (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 57 investigation files overlapping the 1998 GMT-400, and 2 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
4
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| EXTERIOR LIGHTING | 1 |
| VISIBILITY/WIPER | 1 |
| ELECTRICAL SYSTEM | 1 |
| AIR BAGS | 1 |
Recent Complaints
20240523AIR BAGS
The contact owns a 1998 Chevrolet GMT-400. The contact stated that upon starting the vehicle, the driverâs and passengerâs side air bags deployed independently. There was no warning light illuminated. The vehicle was not taken to the dealer or an independent mechanic. The manufacturer was notified of the failure, and a case was opened. The failure mileage was unknown. The VIN was not available.
20240229ELECTRICAL SYSTEM
The contact owns a 1998 Chevrolet Silverado GMT-400. The contact stated that the high blower relay circuit wiring connector melted. The vehicle was taken to the dealer and the dealer refused to diagnose the failure without a diagnostic test fee being paid. The vehicle was taken to two dealers and the contact was informed that the diagnostic test fee needed to be paid. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 220,000.
Mileage: 220,000
20231129VISIBILITY/WIPER
The wiper motor stops working only works when it wasn't to when it rains i cant drive anywhere to hard to see when it rains which becomes a hazard for other drivers on the road i wrote about this 10 years ago and heard nothing back then so i try again except now it rarely works so i dont drive it in the rain at all
20231019EXTERIOR LIGHTING
The concern involves yellowing plastic headlights lenses on all vehicle manufacturers. Visibility is compromised while driving at night. Yes autobody repair shop replaced headlight assembly. No, certain plastic headlight cover lenses yellow/darken/frost with time or driving conditions
Compare 1998CHEVROLETGMT-400 to Similar Vehicles
NHTSA Investigations 2 Open
EA25007Engineering AnalysisOpen
Loss of motive power due to engine failure
PE23022Preliminary EvaluationClosed
Loss of Motive Power due to the Battery Energy Control Module
PE20016Preliminary EvaluationClosed
Electric Vehicle Battery Fires
EA20002Engineering AnalysisClosed
Outboard Front Seat Belt Anchor Cable Failure
PE20011Preliminary EvaluationClosed
Fuel Line Leak
Frequently Asked Questions
How many complaints does the 1998 CHEVROLET GMT-400 have?▼
The 1998 CHEVROLET GMT-400 has 4 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1998 CHEVROLET GMT-400?▼
The most-complained component for the 1998 CHEVROLET GMT-400 is EXTERIOR LIGHTING with 1 complaints. Other frequently reported areas include VISIBILITY/WIPER and ELECTRICAL SYSTEM.
Is the 1998 CHEVROLET GMT-400 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.