1999 Gmc Gmc: Reliability Data

Source: NHTSA — 20 complaints
20
Total Complaints
EQUIPMENT:APPLIANCE:AIR CONDITIONER
Top Issue
1
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

EQUIPMENT:APPLIANCE:AIR CONDITIONER
3
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
3
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
2
POWER TRAIN:AUTOMATIC TRANSMISSION
2
VEHICLE SPEED CONTROL
1
SUSPENSION
1
VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
1
TIRES
1
SEATS:FRONT ASSEMBLY:RECLINER
1
SEATS
1

Severity Assessment

1
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"I HAVE GONE TO THE DEALERSHIP SEVERAL TIME WITH THE TRUCK SHAKING, AND THEM AGREEING IT WAS SHAKING WITH NO SOLUTION OFFERED. IT APPEARS TO BE WORSENING. THE STEERING HAS BEEN POOR AT BEST. THE WHEEL WHEN TURNING FEELS LIKE THERE IS PLAY. HAVING OWNED A 95 A 96 AND NOW A 99 I FEEL THAT THERE IS..."
"AUTOMATIC TRANS IS SLIPPING WHEN COASTING AND THEN ACCELERATING. ENGINE RACES AND THEN THE TRANSMISSION SLAMS INTO LOW GEAR AND UPSHIFTS IMMEDIATELY. HAS OCCURRED 4 TIMES IN 10 MONTHS, CANNOT DUPLICATE ON DEMANDS. *AK"
"AUTOMATIC TRANS IS SLIPPING WHEN COASTING AND THEN ACCELERATING. ENGINE RACES AND THEN THE TRANSMISSION SLAMS INTO LOW GEAR AND UPSHIFTS IMMEDIATELY. HAS OCCURRED 4 TIMES IN 10 MONTHS, CANNOT DUPLICATE ON DEMANDS. *AK"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28