AI Damage1999 GMC C/K Pickup: common problems
Owners of the 1999 GMC C/K Pickup filed 8 complaints with NHTSA, most often about service brakes and structure. Details by component below, with sources.
Key figures
- Owner complaints
- 8
- involving a crash
- 1
What fails most often
- 1 Service brakes 75% of all complaints
- 2 Structure 13% of all complaints
- 3 Vehicle speed control 13% of all complaints
- Service brakes: 6 complaints (75% of all), 1 of them with a crash reported by the owner.
- Structure: 1 complaints (13% of all).
- Vehicle speed control: 1 complaints (13% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 6 | 1 | 0 |
| Structure | 1 | 0 | 0 |
| Vehicle speed control | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Turned to look at car I though was going to pull out. Brakes did not stop the truck for the cars about 20 feet in front of me when I put them on it kept on going. This is the third time it happen. Was recalled on 12/29/05 for abs sensors. Cleaned/lubed.
Upon starting to leave work parking lot lost pedal. Had fellow coworker observe and brake fluid was steady stream leaking on to ground. Second occurrence december 2011. Failed inspection for corroded front brake lines.
Vehicle was recalled for anti-lock brake defect and repaired at local dealer on 1/19/06. Staring about 1/1/09 the same problem started happening again. Anti-lock would activate during normal stop on dry pavement. This happens on every stop and activates around 5 mph.
I called michael gmc, 3700 s carson, carson city nv to have a sticky accelerator pedal on my 1999 gmc sierra pu repaired. I stated I knew of a tsb issued for this defect. I was told there was no tsb. I checked via the internet and found tsb #00-06-04-007a had been issued in jun 00.
Simultaneously broken tailgate cables, resulting in severe pinching of hand, causiong swelling and pain.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 11,896 of 36,656 model years in the NHTSA data (top 32% most complained about).
On average one model year of the C/K Pickup has 7 complaints (9 years in the data). This year has 8, about average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
Other years of this model
Questions and answers
What are the most common problems with the 1999 GMC C/K Pickup?
Owner complaints to NHTSA most often mention: service brakes, structure, vehicle speed control. Total complaints: 8. The most frequent symptoms in complaint texts: rust, corrosion (13%).
How many service bulletins (TSB) were issued for the 1999 GMC C/K Pickup?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1999 GMC C/K Pickup from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1999 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.