2003 Chevrolet SUBURBAN 2500 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
21 owner complaints analyzed
0 distinct recall campaigns
84,455 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 18 complaints include usable failure mileage.
Most common problems
Service Brakes is the most frequently named component, appearing in 10 of 21 complaints (47.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 14 | 66.7% |
| Transmission and shifting | 2 | 9.5% |
| Steering behavior | 1 | 4.8% |
| Fuel system concerns | 1 | 4.8% |
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 | 10 |
| Service Brakes, Hydraulic | 4 |
| Electrical System: Instrument Cluster/Panel | 3 |
| Fuel/Propulsion System | 2 |
| Engine | 1 |
| Engine And Engine Cooling:Engine | 1 |
| Power Train | 1 |
| Power Train:Transfer Case (4-Wheel Drive) | 1 |
Service Brakes: 10; Service Brakes, Hydraulic: 4; Electrical System: Instrument Cluster/Panel: 3; Fuel/Propulsion System: 2; Engine: 1; Engine And Engine Cooling:Engine: 1; Power Train: 1; Power Train:Transfer Case (4-Wheel Drive): 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 | 2 |
| 50,000 to 74,999 | 6 |
| 75,000 to 99,999 | 3 |
| 100,000 to 149,999 | 5 |
| 150,000 and above | 2 |
Under 25,000: 0; 25,000 to 49,999: 2; 50,000 to 74,999: 6; 75,000 to 99,999: 3; 100,000 to 149,999: 5; 150,000 and above: 2
50,000 to 74,999 miles has the most reports with usable mileage (6). 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 |
|---|---|
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 4 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
2006: 1; 2007: 1; 2008: 4; 2009: 1; 2010: 1; 2011: 2; 2012: 1; 2013: 1; 2014: 4; 2015: 2; 2016: 2; 2017: 1
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 14 complaint narratives. Transmission and shifting appears in 2 complaint narratives. Steering behavior 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 10261969 · 2009-03-16 (March 16, 2009)
TL*THE CONTACT OWNS A 2003 CHEVROLET SUBURBAN 2500. WHILE APPROACHING A STOP OR SLOWING DOWN TO MAKE TURNS AT LOW SPEEDS, THE ABS ACTIVATES WITHOUT WARNING. THE CONTACT IS UNABLE TO SAFELY COME TO A COMPLETE STOP. THE MANUFACTURER STATED THAT HER VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER 05V379000 (SERVICE BRAKES, HYDRAULIC: ANTILOCK). SHE WILL TAKE THE VEHICLE TO THE DEALER FOR REPAIR. THE CURRENT AND FAILURE MILEAGES WERE 88,000.
Owner-reported narrative. 88,000 miles reported. Look up ODI 10261969 at NHTSA ↗
Owner report 10342314 · 2010-07-09 (July 9, 2010)
WHILE DRIVING MY 2003 K2500 CHEVY SUBURBAN, ANOTHER VEHICLE PULLED OUT IN FRONT OF ME FROM A SIDE STREET WHILE I WAS TRAVELING ABOUT 35 MPH AND I PRESSED THE BRAKES VERY HARD - HARD ENOUGH TO LOCK UP AT LEAST ONE WHEEL, BUT AVOIDED AN ACCIDENT. I CONTINUED ON, BUT JUST A FEW SECONDS LATER, I APPROACHED AN INTERSECTION, AND THE BRAKE PEDAL WENT TO THE FLOOR, WITH VERY LITTLE BRAKING POWER. I WAS ABLE TO GET THE VEHICLE STOPPED BY PUMPING THE BRAKES QUICKLY AND RAN SLIGHTLY INTO THE BUSY INTERSECTION. I PULLED INTO A PARKING LOT TO INSPE…
Owner-reported narrative. 109,685 miles reported. Look up ODI 10342314 at NHTSA ↗
Owner report 10629913 · 2014-09-01 (September 1, 2014)
ONE OF THE METAL BRAKE LINES BETWEEN THE MASTER CYLINDER AND THE ABS MODULATOR VALVE RUPTURED DURING A STOP DUE TO CORROSION. ALL BRAKE LINES IN THE VEHICLE HAVE SIMILAR LEVELS OF CORROSION NEAR THE AREA THE AFOREMENTIONED LINE RUPTURED, AND AT VARIOUS OTHER LOCATIONS ON THE VEHICLE. THE TRANSMISSION COOLER LINES HAD FAILED APPROXIMATELY 18 MONTHS PREVIOUSLY DUE TO CORROSION. THE CORROSION AND RUST ON MANY COMPONENTS BENEATH THE VEHICLE AND IN THE ENGINE COMPARTMENT IS BECOMING RATHER CONCERNING. *TR
Owner-reported narrative. 137,096 miles reported. Look up ODI 10629913 at NHTSA ↗
Owner report 10721311 · 2015-05-25 (May 25, 2015)
THE METAL BRAKE LINE BETWEEN THE ABS MODULATOR VALVE AND FRONT RIGHT WHEEL RUPTURED WHEN THE BRAKE PEDAL WAS PRESSED. THE LINE FAILED DUE TO CORROSION. ALL BRAKE LINES IN THE VEHICLE HAD SIMILAR LEVELS OF CORROSION NEAR THE AREA THE AFOREMENTIONED LINE RUPTURED, AND AT VARIOUS OTHER LOCATIONS ON THE VEHICLE. A BRAKE LINE BETWEEN THE MASTER CYLINDER AND ABS MODULATOR HAD FAILED IN A SIMILAR MANNNER APPROXIMATELY 8 MONTHS PREVIOUSLY. THE TRANSMISSION COOLER LINES HAD ALSO FAILED DUE TO CORROSION APPROXIMATELY 2 YEARS AGO. THE CORROSION AND RUST O…
Owner-reported narrative. 140,000 miles reported. Look up ODI 10721311 at NHTSA ↗
Owner report 10763849 · 2015-09-15 (September 15, 2015)
TL* THE CONTACT OWNS A 2003 CHEVROLET SUBURBAN 2500. WHILE DRIVING 35 MPH, THE CONTACT DEPRESSED THE BRAKE PEDAL AND IT TRAVELED ALL THE WAY TO THE FLOORBOARD. THE CONTACT WAS ABLE TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THEY PERFORMED AN INTERIM REPAIR. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT ALL THE BRAKE LINES WERE RUSTED AND NEEDED TO BE REPLACED. THE CONTACT WAS ALSO INFORMED BY THE INDEPENDENT MECHANIC THAT THE VEHICLE MAY NEED THE FUEL PUMP LINE REPLACED AS WELL. TH…
Owner-reported narrative. 72,000 miles reported. Look up ODI 10763849 at NHTSA ↗