2003 Gmc SIERRA 1500 HD problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
16 owner complaints analyzed
0 distinct recall campaigns
97,250 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 16 complaints include usable failure mileage.
Most common problems
Service Brakes is the most frequently named component, appearing in 4 of 16 complaints (25.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 6 | 37.5% |
| Electrical and battery issues | 1 | 6.3% |
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 | 4 |
| Electrical System | 3 |
| Engine | 2 |
| Service Brakes, Hydraulic | 2 |
| Electrical System: Instrument Cluster/Panel | 1 |
| Engine And Engine Cooling | 1 |
| Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe | 1 |
| Equipment:Appliance:Air Conditioner | 1 |
Service Brakes: 4; Electrical System: 3; Engine: 2; Service Brakes, Hydraulic: 2; Electrical System: Instrument Cluster/Panel: 1; Engine And Engine Cooling: 1; Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe: 1; Equipment:Appliance:Air Conditioner: 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 | 4 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 4 |
| 100,000 to 149,999 | 5 |
| 150,000 and above | 2 |
Under 25,000: 0; 25,000 to 49,999: 4; 50,000 to 74,999: 1; 75,000 to 99,999: 4; 100,000 to 149,999: 5; 150,000 and above: 2
100,000 to 149,999 miles has the most reports with usable mileage (5). 0 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 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 1 |
| 2013 | 4 |
| 2014 | 2 |
| 2015 | 1 |
2006: 1; 2007: 2; 2009: 1; 2010: 1; 2011: 3; 2012: 1; 2013: 4; 2014: 2; 2015: 1
Pattern summary
Service Brakes leads the component reports. Braking behavior appears in 6 complaint narratives. Electrical and battery issues 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 10340304 · 2010-06-27 (June 27, 2010)
BRAKES FAILED DUE TO BRAKE LINE BEING CORRODED. *TR
Owner-reported narrative. 35,000 miles reported. Look up ODI 10340304 at NHTSA ↗
Owner report 10416444 · 2011-08-01 (August 1, 2011)
TL* THE CONTACT OWNS A 2003 GENERAL MOTOR SIERRA 1500 HD. THE CONTACT STATED WHILE DRIVING 55 MILES PER HOUR, THE VEHICLE WOULD NOT COME TO A COMPLETE STOP UNTIL THE BRAKES WERE APPLIED REPEATEDLY. THE CONTACT NOTICED THE VEHICLE WAS LEAKING BREAK FLUID WHICH LED TO THE DISCOVERY OF A RUSTING BRAKE LINE. THE VEHICLE WAS NOT TAKEN TO THE DEALER, AND THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGE WAS 34,000.
Owner-reported narrative. 34,000 miles reported. Look up ODI 10416444 at NHTSA ↗
Owner report 10679355 · 2015-01-28 (January 28, 2015)
I AM AN ASE MASTER TECHNICIAN, I OWN AN AUTO/TRUCK REPAIR FACILITY. WE ARE A STATE OF OREGON AUTHORIZED DEQ REPAIR FACILITY, STATE OF OREGON DAS FLEET REPAIR FACILITY, US ARMY BASE VEHICLE REPAIR SHOP AND MORE. DRIVING MY TRUCK TO TACOMA WASHINGTON. I WAS TOWING A VEHICLE ON IN THE RIGHT SLOW LANE, AND "REDUCED ENGINE POWER" LIGHT CAME ON. ENGINE VIBRATED AND RUNS ON 1/2 CYLINDERS. CANNOT BRAKE OR STEER, TOTAL LACK OF POWER. SEMI-TRUCK NEARLY REAR ENDS ME AS I CANNOT GO OVER 10 MPH. NO THROTTLE RESPONSE, PERIOD. I WAS IN ROAD CONSTR…
Owner-reported narrative. 165,000 miles reported. Look up ODI 10679355 at NHTSA ↗