1999 Gmc GMC TRUCK problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
13 owner complaints analyzed
0 distinct recall campaigns
64,778 mi median reported failure mileage
Scope: 1999 model year. Data snapshot: . 4 complaints include usable failure mileage.
Most common problems
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip is the most frequently named component, appearing in 5 of 13 complaints (38.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 6 | 46.2% |
| Transmission and shifting | 1 | 7.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 5 |
| Service Brakes, Hydraulic:Power Assist | 2 |
| Engine And Engine Cooling | 1 |
| Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor | 1 |
| Exterior Lighting:Headlights | 1 |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module | 1 |
| Structure:Body:Door | 1 |
| Tires | 1 |
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip: 5; Service Brakes, Hydraulic:Power Assist: 2; Engine And Engine Cooling: 1; Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor: 1; Exterior Lighting:Headlights: 1; Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module: 1; Structure:Body:Door: 1; Tires: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 1; 50,000 to 74,999: 1; 75,000 to 99,999: 1; 100,000 to 149,999: 1; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (1). 9 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2000 | 3 |
| 2001 | 4 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 1 |
2000: 3; 2001: 4; 2003: 1; 2004: 1; 2005: 3; 2006: 1
Pattern summary
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip leads the component reports. Braking behavior appears in 6 complaint narratives. Transmission and shifting appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10091219 · 2004-09-18 (September 18, 2004)
THREE PROBLEMS - INCIDENT DATE NOT EXACT FOR ALL PROBLEMS.1) HAD VEHICLE ACCELERATE IN NEARLY WIDE-OPEN THROTTLE POSITION WHILE BRAKING AT A STOPLIGHT IN HEAVY TRAFFIC. AVOIDED ACCIDENT BY SHIFTING TRUCK INTO REVERSE AND FORWARD SEVERAL TIMES BEFORE I FINALLY WAS ABLE TO TURN OFF ENGINE. HAD TRUCK TOWED TO DEALERSHIP WHERE THE THROTTLE BODY WAS REPLACED. SINCE THAT TIME I HAVE HAD THROTTLE STICK CLOSED. I CONTACTED DEALERSHIP AND WAS TOLD CARBON DEPOSIT WAS CAUSING PROBLEM AND THEY WOULD CLEAN FOR $100.00. I PULLED HOSE FROM BODY AND CLEAN…
Owner-reported narrative. Look up ODI 10091219 at NHTSA ↗
Owner report 10119459 · 2005-05-03 (May 3, 2005)
CONTACT STATES HAVING TROUBLE WITH ABS BRAKES. HE BELIEVES THE BRAKES ARE FRONT WHEEL ANTI-LOCK. WHEN HE TRIES TO BRAKE WHILE TRAVELING AT A SLOW SPEED, 5 MPH, THE PEDAL PULSED AND KEPT VEHICLE FROM STOPPING. THIS HAPPENED 60%-70% OF THE TIME. WHILE TRYING TO BRAKE CAN HEAR THE ABS BRAKES GO OFF. THIS HAPPENS IN ANY ROAD CONDITION. CONSUMER BOUGHT THE CAR SECOND HAND. THE CAR HAD ABOUT 36, 000 MILES. * HAD OVER 1000 FAILURES. *AK
Owner-reported narrative. 36,000 miles reported. Look up ODI 10119459 at NHTSA ↗