AI Damage2003 GMC Suburban: common problems
Owners of the 2003 GMC Suburban filed 5 complaints with NHTSA, most often about service brakes and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 5
- involving a crash
- 1
What fails most often
- 1 Service brakes 40% of all complaints
- 2 Engine and cooling 20% of all complaints
- 3 Equipment 20% of all complaints
- 4 Fuel system 20% of all complaints
- 5 Steering 20% of all complaints
- 6 Tires 20% of all complaints
- Service brakes: 2 complaints (40% of all), 1 of them with a crash reported by the owner.
- Engine and cooling: 1 complaints (20% of all).
- Equipment: 1 complaints (20% of all).
- Fuel system: 1 complaints (20% of all).
- Steering: 1 complaints (20% of all).
Symptoms owners describe
How many of the 5 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 2 | 1 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Equipment | 1 | 0 | 0 |
| Fuel system | 1 | 0 | 0 |
| Steering | 1 | 0 | 0 |
| Tires | 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.
I was in an accident on july 3rd in a 2003 suburban. At the time of the accident, I felt I was a safe distancee behind the car in front of me. There was construction on 635 in dallas and a car stopped in front of the car in front of me.
June 2006 the fuel pump stopped working when I was driving on the freeway, I was towed to the garage we normally use for maintenance. They replaced the fuel pump we did not pursue this under the original warranty on the vehicle - big mistake!
He has been to the dealer four different times concerning the steering wheel vibrating, shaking, and rocking while driving the vehicle. Each time he went to the dealer for the steering failure, they always found another failure to report.
Upon inspecting vehicle consumer noticed tire sidewall were dry rotted. Firestone and chevrolet, lt245/75r16le.
While driving 65 mph abs warning light came on, and two seconds later vehicle shut off. As a result, power steering and power brakes failed.
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 14,282 of 36,656 model years in the NHTSA data (top 39% most complained about).
On average one model year of the Suburban has 76 complaints (24 years in the data). This year has 5, below average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Other years of this model
- Suburban 19845 sources
- Suburban 19853 sources
- Suburban 19864 sources
- Suburban 19878 sources
- Suburban 19888 sources
- Suburban 198917 sources
- Suburban 199022 sources
- Suburban 199130 sources
- Suburban 199280 sources
- Suburban 1993212 sources
- Suburban 1994411 sources
- Suburban 1995227 sources
- Suburban 1996172 sources
- Suburban 1997200 sources
- Suburban 1998100 sources
- Suburban 1999285 sources
- Suburban 200015 sources
- Suburban 20015 sources
- Suburban 20027 sources
- Suburban 99995 sources
Questions and answers
What are the most common problems with the 2003 GMC Suburban?
Owner complaints to NHTSA most often mention: service brakes, engine and cooling, equipment. Total complaints: 5. The most frequent symptoms in complaint texts: steering or power steering problems (40%), brake failure (20%), fuel system, fuel smell (20%).
How many service bulletins (TSB) were issued for the 2003 GMC Suburban?
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 2003 GMC Suburban 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 2003 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.