Total Complaints
4 filings
GMC CONVENTIONAL · model year
1999 GMC CONVENTIONAL
4 NHTSA complaints. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1999GMCCONVENTIONAL 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.
The most frequently selected component label in reports for the 1999 CONVENTIONAL is service brakes, hydraulic:antilock/traction control/electronic limited slip with 2 filings, followed by tires:tread/belt (1) and structure:body (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 2 investigation files overlapping the 1999 CONVENTIONAL. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
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 |
|---|---|
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP | 2 |
| TIRES:TREAD/BELT | 1 |
| STRUCTURE:BODY | 1 |
Recent Complaints
20020917STRUCTURE:BODY
THE COVER OF THE CENTER ARM REST BROKE AT ABOUT 20000 MILES AND WAS REPLACED UNDER WARRANTY, AT ABOUT 50000 MILES IT BROKE AGAIN, WHEN THIS PART BREAKS IT LEAVES 2 SHARP SPRINGS PROTRUDING WHICH COULD POTENTIALLY CAUSE INJURY (PART # 12474273). NLM
20020717TIRES:TREAD/BELT
FIRESTONE, P265/70R16, DOT#W2C2FLX; WHILE DRIVING 55-60 MPH RIGHT REAR TIRE TREAD SEPARATED, CAUSING DAMAGE.*AK *TT
20020514SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
ABS MODULATOR CONTINUES TO RUN AND VIBRATES AFTER ENGINE SHUTS OFF.
20011016SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
ABS MODULATOR CONTINUES TO RUN AND VIBRATES AFTER ENGINE SHUTS OFF.
Compare 1999GMCCONVENTIONAL to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 1999 GMC CONVENTIONAL have?▼
The 1999 GMC CONVENTIONAL has 4 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 1999 GMC CONVENTIONAL?▼
The most-complained component for the 1999 GMC CONVENTIONAL is SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP with 2 complaints. Other frequently reported areas include TIRES:TREAD/BELT and STRUCTURE:BODY.
Is the 1999 GMC CONVENTIONAL 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 vintage: August 2026. 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.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 1999 GMC CONVENTIONAL; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.