1999 Gmc DENALI problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
13 owner complaints analyzed
1 distinct recall campaigns
82,500 mi median reported failure mileage
Scope: 1999 model year. Data snapshot: . 10 complaints include usable failure mileage.
Most common problems
Electrical System:12v/24v/48v Battery:Cables is the most frequently named component, appearing in 2 of 13 complaints (15.4%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 5 | 38.5% |
| Engine operation | 2 | 15.4% |
| Electrical and battery issues | 2 | 15.4% |
| Transmission and shifting | 1 | 7.7% |
| Steering behavior | 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 |
|---|---|
| Electrical System:12v/24v/48v Battery:Cables | 2 |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 2 |
| Electrical System | 1 |
| Electrical System:Wiring | 1 |
| Engine And Engine Cooling:Engine | 1 |
| Power Train:Automatic Transmission | 1 |
| Service Brakes, Hydraulic | 1 |
| Service Brakes, Hydraulic:Foundation Components:Drum:Shoes/Linings | 1 |
Electrical System:12v/24v/48v Battery:Cables: 2; Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip: 2; Electrical System: 1; Electrical System:Wiring: 1; Engine And Engine Cooling:Engine: 1; Power Train:Automatic Transmission: 1; Service Brakes, Hydraulic: 1; Service Brakes, Hydraulic:Foundation Components:Drum:Shoes/Linings: 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 | 0 |
| 50,000 to 74,999 | 4 |
| 75,000 to 99,999 | 3 |
| 100,000 to 149,999 | 3 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 4; 75,000 to 99,999: 3; 100,000 to 149,999: 3; 150,000 and above: 0
50,000 to 74,999 miles has the most reports with usable mileage (4). 3 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 |
|---|---|
| 2001 | 1 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2009 | 1 |
| 2010 | 1 |
2001: 1; 2003: 3; 2004: 3; 2005: 1; 2006: 2; 2007: 1; 2009: 1; 2010: 1
Pattern summary
Electrical System:12v/24v/48v Battery:Cables leads the component reports. Braking behavior appears in 5 complaint narratives. Engine operation appears in 2 complaint narratives. Electrical and battery issues appears in 2 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 10063409 · 2004-03-17 (March 17, 2004)
BATTERY CABLES LOOSENED FROM THE BATTERY POST. THIS CAUSED VEHICLE TO LOSE POWER . ALSO, BATTERY LEAKED ACID ONTO THE ENGINE.*AK PURCHASED NEW. AT 11K MILES THE BATTERY EXPLODED DUE TO A LOOSE POSITIVE TERMINAL NUT WITHIN THE BATTERY CASING. AT 31K MILES, THE VEHICLE STALLED ON THE ROADWAY DUE TO THE POSITIVE BATTERY CABLE DISCONNECTING FROM THE BATTERY HOUSING. THE POSITIVE TERMINAL NUT CAME LOOSE FROM THE BATTERY HOUSING. AT 44K MILES, THE POSITIVE BATTERY POST LOOSENED AGAIN AND LEAKED BATTERY ACID ON THE BRAKE LINES, THE BATTERY CAB…
Owner-reported narrative. Look up ODI 10063409 at NHTSA ↗
Owner report 10135534 · 2005-09-07 (September 7, 2005)
DT: 1999 GMC DENALI. THE CONSUMER PUT NEW BRAKE SHOES/CALIPERS AND ROTORS ON THE VEHICLE. THE REAR BRAKE EQUIPMENT DID NOT NEED TO BE REPLACED DURING THE TIME THE FRONT BRAKE EQUIPMENT WAS REPLACED. THE REAR BRAKES SOON BECAME INOPERATIVE CAUSING THE FRONT TIRES TO WEAR OUT. THE CONSUMER FOUND THE RECALL 05V379000 FOR THE REAR BRAKES. WHEN HE CALLED THE DEALERSHIP THEY STATED THAT THIS VEHICLE WAS NOT INCLUDED IN THIS RECALL DUE TO THE VIN. THE REAR BRAKES HAVE NOT BEEN FIXED YET. *AK *MR
Owner-reported narrative. Look up ODI 10135534 at NHTSA ↗
Owner report 10003766 · 2003-01-14 (January 14, 2003)
THE CONSUMER IS CONCERNED WHILE TRAVELING ON THE HIGHWAY WITHOUT PRIOR WARNING THE VEHICLE STALLED. HE WAS ABLE TO PULL OVER AND LIFT THE HOOD UP AND NOTICED THAT BATTERY ACID HAD EXPLODED FROM THE BATTERY. PLEASE FILL IN ADDITIONAL INFORMATION DEALER IS AWARE OF THE PROBLEM. TS
Owner-reported narrative. 52,000 miles reported. Look up ODI 10003766 at NHTSA ↗
Owner report 899539 · 2001-11-27 (November 27, 2001)
WHILE DRIVING ABOUT 15 MPH HAD HEARD A LOUD NOISE FROM TRANSMISSION LIKE SOMEBODY HAD STRUCKED VEHICLE AND CONTINUED DRIVING, BUT WHEN GOT IN FRONT OF HOUSE ENGINE STOPPED WORKING, AND NOTICED THAT TRANSMISSION HAD BLOWNOUT. DEALER WOULD LIKE TO FIX VEHICLE, BUT CONSUMER WOULD LIKE TO HAVE MORE INFORMATION ABOUT IT. PLEASE CONSUMER PROVIDE MORE INFORMATION.*AK
Owner-reported narrative. Look up ODI 899539 at NHTSA ↗
Owner report 10105250 · 2004-12-22 (December 22, 2004)
THE STEERING COLUMN SHIFTER BROKE WHILE PLACING IT INTO DRIVE. THE ENTIRE STEERING COLUMN HAD TO REPLACED. *JB
Owner-reported narrative. 85,000 miles reported. Look up ODI 10105250 at NHTSA ↗