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2003 GMC Sierra 2500

Owner reports · Recalls · Investigations

More warning signs than most Sierra 2500 years

Owner complaints for the 2003 GMC Sierra 2500 are substantially higher than the model-year median of 46.

About this comparison →

When problems were reported

Mileage at the reported incident

142 reports with mileage · 18 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Service Brakes, Hydraulic. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 36 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

7 crash reports4 fire reports4 injury reports

What owners actually said

160 reports
141,000 miles · Mar 29, 2012
Service Brakes, Hydraulic

TOOK TRUCK TO DEALER FOR OTHER WORK AND THEY REPORTED TO ME THE LINE WAS LEAKING AND ABOUT TO RUPTURE. I HAVE 2 JEEP PRODUCTS , BOTH IN THE LATE 80'S WITH ORIGINAL BRAKE LINES AND THEY ARE FINE. YOU WOULD THINK THAT A "YOUNGER VEHICLE WOULD BE UP TO THE TASK OF LASTING LONGER THAN 9 YRS. I'VE OWNED OLDER CARS AND TRUCKS AND HAVE…

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TOOK TRUCK TO DEALER FOR OTHER WORK AND THEY REPORTED TO ME THE LINE WAS LEAKING AND ABOUT TO RUPTURE. I HAVE 2 JEEP PRODUCTS , BOTH IN THE LATE 80'S WITH ORIGINAL BRAKE LINES AND THEY ARE FINE. YOU WOULD THINK THAT A "YOUNGER VEHICLE WOULD BE UP TO THE TASK OF LASTING LONGER THAN 9 YRS. I'VE OWNED OLDER CARS AND TRUCKS AND HAVE NEVER SEEN ANYTHING LIKE THIS, EVEN MY 1964 CHEVY C-10 DIDN'T HAVE THIS PROBLEM AND I SOLD IT IN 1991 . A CO-WORKER BOUGHT MY OLD CHEVY AND AT THE 30 YEAR MARK FOR IT, THE BRAKE LINES WERE FINE. I BELIEVE THAT ALONG WITH THE MANUFACTURE THE GOVERNMENT SHOULD BE HELD ACCOUNTABLE ALSO, THEY ALLOW THIS SUBPAR EQUIPMENT ON THE ROADS AND HIGHWAYS TO CARRY OUR KIDS AND FAMILIES, DO YOU THINK OBAMA'S KIDS WOULD BE SUBJECTED TO DANGER IN THIS MANNER. IF THE DIRECTOR OF NHTSA HAD A FAILURE OF THIS CALIBER HE OR SHE'D BE ALL OVER THIS DEMANDING AND ENFORCING A RECALL . *JS

NHTSA ODI #10453473

57,833 miles · Mar 1, 2012
Service Brakes, HydraulicCrash

DRIVING DOWN DRIVEWAY BRAKE PEDAL WENT TO FLOOR RAN INTO SNOW BANK UNABLE TO STOP. *TR

NHTSA ODI #10449991

69,671 miles · Feb 20, 2012
Engine And Engine CoolingSteering

POWER STEERING COOLER AND LINES RUSTED THROUGH AND LEAKING, ENGINE OIL COOLER LINES RUSTED THROUGH AND LEAKING, TRANSMISSION OIL COOLER LINES RUSTED THROUGH AND LEAKING. ALL HAD TO BE REPLACED. WORK DONEA T GMC DEALER. *TR

NHTSA ODI #10448528

57,480 miles · Feb 20, 2012
Service Brakes, Hydraulic

TOTAL BRAKE FAILURE. DISCOVERED BRAKE LINES HAD RUSTED IN SEVERAL LOCATIONS THROUGH AND ALL NEEDED AND WERE REPLACED BY DEALER. *TR

NHTSA ODI #10448527

50,329 miles · Feb 18, 2012
Service Brakes, Hydraulic

BRAKE PEDAL WENT TO FLOOR AT 10 MPH FROM FAILED BRAKE LINE, DUE TO EXCESS CORROSION ON BRAKE LINES. *TR

NHTSA ODI #10448403

Mileage unknown · Feb 16, 2012
Service Brakes, Hydraulic

BRAKES FAILED TO ENGAGE, I TOOK IT TO A GM DEALER AND UPON INVESTIGATION FOUND A CORRODED BRAKE LINE THAT HAD FAILED. AS THEY INVESTIGATED FURTHER THEY FOUND THAT ALL THE BRAKE LINES WERE CORRODED AND HAD TO BE REPLACED.I HAVE BEEN A MECHANIC MOST OF MY ADULT LIFE AND HAVE NEVER EVER HEARD OF CORRODED BRAKE LINES ON A 9 YEAR OLD…

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BRAKES FAILED TO ENGAGE, I TOOK IT TO A GM DEALER AND UPON INVESTIGATION FOUND A CORRODED BRAKE LINE THAT HAD FAILED. AS THEY INVESTIGATED FURTHER THEY FOUND THAT ALL THE BRAKE LINES WERE CORRODED AND HAD TO BE REPLACED.I HAVE BEEN A MECHANIC MOST OF MY ADULT LIFE AND HAVE NEVER EVER HEARD OF CORRODED BRAKE LINES ON A 9 YEAR OLD TRUCK. THIS IS INSANE I WOULD LIKE TO KNOW WHY THERE HASN'T BEEN A RECALL ON THIS VERY IMPORTANT SAFETY ISSUE????? WHAT HAPPENS WHEN SOMEONE IS KILLED?????? I HAVE NO PROBLEM TAKING THIS TO THE SUPREME COURT. WHEN DOES MONEY TAKE THE PLACE OF THE MOST BASIC SAFETY FEATURE KNOWN TO THE AMERICAN AUTO MAKERS???? I WANT EVERYONE TO KNOW THAT THIS IS KNOWN PROBLEM WITH MANY GM AUTO'S AND TRUCKS THAT EVERYONE IS AWARE OF AND NOTHING IS BEING DONE TO CORRECT IT!!!!!! HOW DO THEY SLEEP AT NIGHT? *TR

NHTSA ODI #10448251

111,000 miles · Feb 16, 2012
Electrical System

TL* THE CONTACT OWNS A 2003 GMC SIERRA 2500 HD. THE CONTACT STATED THAT THE BATTERY LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL ABNORMALLY AND THE SPEEDOMETER HAD FAILED. THE DEALER AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURE, BUT NO ASSISTANCE WAS PROVIDED TO THE CONTACT. THE VEHICLE WAS NOT REPAIRED. THE FAILURE M…

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TL* THE CONTACT OWNS A 2003 GMC SIERRA 2500 HD. THE CONTACT STATED THAT THE BATTERY LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL ABNORMALLY AND THE SPEEDOMETER HAD FAILED. THE DEALER AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURE, BUT NO ASSISTANCE WAS PROVIDED TO THE CONTACT. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 111,000 AND THE CURRENT MILEAGE WAS 112,000.

NHTSA ODI #10448234

99,000 miles · Dec 26, 2011
Service Brakes, HydraulicSteeringStructure

MANY COMPONENTS UNDER THE TRUCK ARE SEVERELY RUSTED. TWO BRAKE LINES FAILED IN AUGUST 2011 DUE TO RUST. THE REST ARE READY TO FAIL SOON. THE POWER STEERING LINE RUSTED OUT THIS MONTH (DECEMBER). RUST AT SENSORS OF ABS SYSTEM CAUSES ERRATIC ABS OPERATION. *TR

NHTSA ODI #10441253

Mileage unknown · Dec 16, 2011
Power Train

TRANSFER CASE MADE A GRINDING NOISE. NOTICE CUT ON OUTSIDE OF THE CASE. *TR

NHTSA ODI #10440190

Mileage unknown · Dec 13, 2011
Engine And Engine CoolingVehicle Speed ControlCrash

WHILE DRIVING ON THE HIGHWAY, MY 2003 GMC SIERRA 2500 DISPLAYED A "REDUCED ENGINE POWER" WARNING ON MY DASHBOARD. MY VEHICLE LOST ALL SPEED CONTROL, DECELERATING FROM 65 MPH TO 20 MPH IN A MATTER OF SECONDS. I IMMEDIATELY PULLED OVER TO THE SIDE OF THE HIGHWAY AND SHUT MY TRUCK OFF. ONCE I RESTARTED THE VEHICLE, THE MESSAGE WAS …

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WHILE DRIVING ON THE HIGHWAY, MY 2003 GMC SIERRA 2500 DISPLAYED A "REDUCED ENGINE POWER" WARNING ON MY DASHBOARD. MY VEHICLE LOST ALL SPEED CONTROL, DECELERATING FROM 65 MPH TO 20 MPH IN A MATTER OF SECONDS. I IMMEDIATELY PULLED OVER TO THE SIDE OF THE HIGHWAY AND SHUT MY TRUCK OFF. ONCE I RESTARTED THE VEHICLE, THE MESSAGE WAS GONE AND MY TRUCK WAS FINE. IT WAS A VERY SCARY INCIDENT NOT BEING ABLE KEEP THE RIGHT SPEED FOR THE CONDITIONS ON THE HIGHWAY. *TR

NHTSA ODI #10439779

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.