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2003 GMC Sierra 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 GMC Sierra 1500 do not stand out strongly from the model-year median of 181.

About this comparison →

How this year compares

Owner complaints by model year

Compare all Sierra 1500 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

162 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. Review the 55 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 50 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

13 crash reports4 fire reports6 injury reports

What owners actually said

180 reports
41,765 miles · Sep 27, 2015
Service Brakes

TURNING INTO AN AUTO PARTS STORE, FROM THE HIGHWAY, WHEN I APPLIED THE BRAKES THE PEDAL WENT CLEAR TO THE FLOOR. MY TRUCK SLOWED BUT NOT ENOUGH IF ANYONE WALKING OR A CAR HAD BEEN THERE I WOULD HAVE HIT THEM. I WAS VERY LUCKY. OF THE FOUR BRAKE LINES ONE BURST, TWO WERE SEEPING, BUT NOT DRIPPING AND THE REAR LINE WAS ALMOST AS …

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TURNING INTO AN AUTO PARTS STORE, FROM THE HIGHWAY, WHEN I APPLIED THE BRAKES THE PEDAL WENT CLEAR TO THE FLOOR. MY TRUCK SLOWED BUT NOT ENOUGH IF ANYONE WALKING OR A CAR HAD BEEN THERE I WOULD HAVE HIT THEM. I WAS VERY LUCKY. OF THE FOUR BRAKE LINES ONE BURST, TWO WERE SEEPING, BUT NOT DRIPPING AND THE REAR LINE WAS ALMOST AS BAD AS THE OTHER LINES AND ITS A WONDER IT DIDN'T BREAK AT THE SAME TIME. GOING HOME I WOULD HAVE GONE DOWN A VERY STEEP HILL WITH A STOPLIGHT AND A VERY BUSY INTERSECTION. IT COULD HAVE BEEN A DISASTER. THIS IS A LOW MILEAGE TRUCK, SELDOM DRIVEN IN SNOW.

NHTSA ODI #10777925

150,000 miles · Sep 22, 2015
Fuel/propulsion System

I WAS DRIVING HOME FROM WORK ON I-75 AND STARTED DETECTING A STRONG SMELL OF GASOLINE. I PULLED OVER AND INSPECTED THE VEHICLE. I FOUND THAT THE FUEL LINE HAD RUSTED AND WAS SPRAYING GAS EVERYWHERE. UPON FURTHER INSPECTION, I FOUND THAT ALL THE LINES FOR THE FUEL AND BRAKE SYSTEM WERE SEVERELY RUSTED AND WILL NEED TO BE REPLA…

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I WAS DRIVING HOME FROM WORK ON I-75 AND STARTED DETECTING A STRONG SMELL OF GASOLINE. I PULLED OVER AND INSPECTED THE VEHICLE. I FOUND THAT THE FUEL LINE HAD RUSTED AND WAS SPRAYING GAS EVERYWHERE. UPON FURTHER INSPECTION, I FOUND THAT ALL THE LINES FOR THE FUEL AND BRAKE SYSTEM WERE SEVERELY RUSTED AND WILL NEED TO BE REPLACED TO AVOID CATASTROPHIC FAILURE THAT COULD RESULT IN SERIOUS INJURIES TO MYSELF AND OTHERS ON THE HIGHWAY. I HAVE RESEARCHED AND FOUND THAT THERE HAVE BEEN THOUSANDS OF COMPLAINTS FILED, BUT NO ACTION TAKEN. AS AN ADDED NOTE...I BOUGHT THE TRUCK NEW, IT IS KEPT IN THE GARAGE MOST OF THE TIME, AND I DO NOT LIVE IN A STATE THAT IS KNOWN FOR HEAVY SNOW FALL OR SALT USAGE. I ALSO HAVE A 1965 MODEL CAR THAT HAS NEVER HAD THE FUEL LINES OR BRAKE LINES REPLACED.

NHTSA ODI #10767587

104,816 miles · Aug 21, 2015
Service Brakes

I WAS TOWING MY 33' TRAVEL TRAILER WITH MY VERY WELL MAINTAINED 2003 GMC SIERRA 1500 PICK UP TRUCK. AFTER A FOUR AND A HALF HOUR TRIP ON THE INTERSTATE HIGHWAY DOING 65 MPH, I ARRIVED AT MY CAMPGROUND. AS I WAS BACKING MY TRAILER INTO MY CAMP SITE, MY BRAKE PEDAL WENT TO THE FLOOR AND MY DASHBOARD LIT UP WITH WARNING LIGHTS. I H…

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I WAS TOWING MY 33' TRAVEL TRAILER WITH MY VERY WELL MAINTAINED 2003 GMC SIERRA 1500 PICK UP TRUCK. AFTER A FOUR AND A HALF HOUR TRIP ON THE INTERSTATE HIGHWAY DOING 65 MPH, I ARRIVED AT MY CAMPGROUND. AS I WAS BACKING MY TRAILER INTO MY CAMP SITE, MY BRAKE PEDAL WENT TO THE FLOOR AND MY DASHBOARD LIT UP WITH WARNING LIGHTS. I HAD COMPLETE BRAKE FAILURE. I PUT THE TRUCK IN PARK AND GOT OUT TO LOOK UNDER THE TRUCK. RIGHT BELOW THE DRIVER SEAT, BRAKE FLUID WAS POURING OUT OF THE BRAKE LINE WHICH HAD BURST OPEN. I HAD NO BRAKES. THANK GOD THIS HAPPENED WHILE I WAS BACKING THE TRAILER IN AT 2 MPH. MINUTES PRIOR TO THIS I WAS GOING 65 MPH ON THE HIGHWAY, TOWING A 33' TRAILER. I SHUTTER TO THINK WHAT COULD HAVE HAPPENED IF THIS LINE BURST WHILE AT HIGHWAY SPEEDS. MY WIFE AND I WERE FREAKED OUT FOR DAYS THINKING ABOUT WHAT COULD HAVE HAPPENED. WE HAD TO HAVE THE TRUCK TOWED TO A REPAIR SHOP AND ENDURE A VERY EXPENSIVE REPLACEMENT OF ALL THE BRAKE LINES, WHICH WERE COMPLETELY CORRODED. WHILE THE TRUCK WAS BEING FIXED I DID SOME RESEARCH ON THIS PROBLEM AND FOUND THAT THERE WERE MANY, MANY, COMPLAINTS ABOUT THIS EXACT SAME PROBLEM CONCERNING 1999 - 2003 GMC AND CHEVY PICK UP TRUCKS AND OTHER MODELS. GM CLAIMS THAT YOU WOULD STILL HAVE SOME BRAKES BECAUSE THERE ARE SEPARATE BRAKE LINES TO THE FRONT AND REAR BRAKES. THIS IS TRUE, BUT I LOST SO MUCH FLUID, SO FAST, I HAD NO BRAKES. DOES SOMEONE ALWAYS HAVE TO DIE BEFORE THEY FORCE A RECALL? THERE ARE SO MANY COMPLAINTS ON THIS MATTER AND I KNOW THERE IS AN ON GOING INVESTIGATION BY THE NHTSA. ENOUGH INVESTIGATING, FORCE THE RECALL BEFORE SOMEONE DIES IF THEY HAVEN'T ALREADY.

NHTSA ODI #10750307

42,000 miles · Aug 10, 2015
Service Brakes

ON 8/9/15 AT APPROXIMATELY 3:25PM AN INDIVIDUAL PULL OUT IN FRONT OF ME. WHEN I APPLIED THE BRAKES TO KEEP FROM HITTING HIM, THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR BOARD. I NOTICED AT THE TIME THE "SERVICE BRAKE SYSTEM" INDICATION WAS SHOWING ON THE DRIVER CID. I WAS ABLE TO DRIVE THE TRUCK TO A SAFE LOCATION AND PARK IT.…

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ON 8/9/15 AT APPROXIMATELY 3:25PM AN INDIVIDUAL PULL OUT IN FRONT OF ME. WHEN I APPLIED THE BRAKES TO KEEP FROM HITTING HIM, THE BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR BOARD. I NOTICED AT THE TIME THE "SERVICE BRAKE SYSTEM" INDICATION WAS SHOWING ON THE DRIVER CID. I WAS ABLE TO DRIVE THE TRUCK TO A SAFE LOCATION AND PARK IT. I LOOKED UNDER THE VEHICLE AND NOTICED BRAKE FLUID ON THE GROUND UNDER THE RIGHT FRONT WHEEL. THE TOW TRUCK DRIVER ALSO CHECKED AND NOTICED BRAKE FLUID SHOOTING UP WHEN THE HOOD WAS UP. AT THAT TIME, HE NOTICED THE RIGHT FRONT BRAKE LINE HAD RUSTED THROUGH. THE TRUCK WAS THEN TOWED TO CUNNINGHAM GMC IN SPRINGFIELD, TN.

NHTSA ODI #10747520

112,187 miles · Apr 8, 2015
Service Brakes

COMPLETE BRAKE FAILURE. ALL BRAKE LINES RUSTED OUT. HAD TO USE THE EMERGENCY BRAKE TO STOP. BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. ALL THE BRAKE FLUID WAS GONE. SPENT $1008 TO FIX THE VEHICLE. NO PREVIOUS WARNING, NO MESSAGE UNTIL THERE WAS THE COMPLETE BRAKE FAILURE. *TR

NHTSA ODI #10704401

112,000 miles · Apr 8, 2015
Service Brakes

TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. WHILE DRIVING AT 65 MPH, THE BRAKE PEDAL WAS DEPRESSED BUT THE VEHICLE FAILED TO STOP. THE CONTACT HAD TO ENGAGE THE EMERGENCY BRAKE IN ORDER TO STOP THE VEHICLE. IN ADDITION, THE CONTACT STATED THAT BRAKE FAILURE WAS DISPLAYED ACROSS THE MESSAGE BOARD AND A CHIME WAS HEARD. THE VEHIC…

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TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. WHILE DRIVING AT 65 MPH, THE BRAKE PEDAL WAS DEPRESSED BUT THE VEHICLE FAILED TO STOP. THE CONTACT HAD TO ENGAGE THE EMERGENCY BRAKE IN ORDER TO STOP THE VEHICLE. IN ADDITION, THE CONTACT STATED THAT BRAKE FAILURE WAS DISPLAYED ACROSS THE MESSAGE BOARD AND A CHIME WAS HEARD. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE MECHANIC DIAGNOSED THAT THE BRAKE LINES WERE CORRODED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 112,000. ..UPDATED 05-26-15 *BF THE CONSUMER STATED BOTH BRAKE LINES FAILED. UPDATED 11/20/2015*JS

NHTSA ODI #10704400

110,000 miles · Jan 22, 2015
Service Brakes

WHILE DRIVING TO THE STORE I APPLIED THE BRAKE AND IT WENT STRAIGHT TO FLOOR WITHOUT ANY PRE-WARNING OF A BRAKE ISSUE. I WAS ABLE TO STOP WITHOUT CRASHING AND FOUND THAT THE BRAKE LINE ROUTED OVER THE GAS TANK RUSTED THROUGH SPILLING OUT BRAKE FLUID WHICH CAUSED THE BRAKE RESERVOIR TO EMPTY. AFTER DOING SOME RESEARCH NHTSA IS …

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WHILE DRIVING TO THE STORE I APPLIED THE BRAKE AND IT WENT STRAIGHT TO FLOOR WITHOUT ANY PRE-WARNING OF A BRAKE ISSUE. I WAS ABLE TO STOP WITHOUT CRASHING AND FOUND THAT THE BRAKE LINE ROUTED OVER THE GAS TANK RUSTED THROUGH SPILLING OUT BRAKE FLUID WHICH CAUSED THE BRAKE RESERVOIR TO EMPTY. AFTER DOING SOME RESEARCH NHTSA IS WELL AWARE OF THE RUSTED BRAKE LINES ON GM MODELS, SO I AM NOT TELLING YOU ANYTHING NEW. I EXPECT ALTERNATORS, STARTER MOTORS, AND OTHER MECHANICAL COMPONENTS TO FAIL AND NEED REPLACED BUT BRAKE LINES SHOULD BE MANUFACTURED USING STAINLESS STEEL. HOW CAN THIS BE ANY DIFFERENT THAN A CAR IGNITION TURNING OFF CAUSING POTENTIAL CRASHES AND LOSS OF LIFE. NHTSA SHOULD HAVE GM RECALL VEHICLES AND/OR REIMBURSE OWNERS FOR THIS HIGHLY POTENTIAL SAFETY ISSUE. *TR

NHTSA ODI #10678418

177,000 miles · Jan 13, 2015
Air BagsCrashInjury

TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. WHILE DRIVING 40 MPH, THE CONTACT'S VEHICLE CRASHED INTO THE PASSENGER SIDE OF ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES TO THE FACE, KNEE, AND BACK THAT REQUIRED MEDICAL ATTENTION. IN ADDITION, THE PASSENGER SUSTAINED HIP AND SHOULDER INJURIES THA…

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TL* THE CONTACT OWNS A 2003 GMC SIERRA 1500. WHILE DRIVING 40 MPH, THE CONTACT'S VEHICLE CRASHED INTO THE PASSENGER SIDE OF ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES TO THE FACE, KNEE, AND BACK THAT REQUIRED MEDICAL ATTENTION. IN ADDITION, THE PASSENGER SUSTAINED HIP AND SHOULDER INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 177,000.

NHTSA ODI #10672170

56,455 miles · Dec 21, 2014
Service Brakes

TRUCK WAS BEING DRIVEN IN TRAFFIC AND AS APPROACHING STOP LIGHT AND BRAKES WERE APPLIED PETAL WENT ALL THE WAY TO FLOOR AND HAD TO SWERVE TO MISS STOPPED TRAFFIC. UPON INSPECTION BRAKE LINE ON DRIVERS FRONT SIDE OF TRUCK AND LAYING ON TOP OF THE FRAME WAS RUSTED ALMOST COMPLETELY IN HALF! QUICK THINKING AVOIDED ACCIDENT .THIS TR…

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TRUCK WAS BEING DRIVEN IN TRAFFIC AND AS APPROACHING STOP LIGHT AND BRAKES WERE APPLIED PETAL WENT ALL THE WAY TO FLOOR AND HAD TO SWERVE TO MISS STOPPED TRAFFIC. UPON INSPECTION BRAKE LINE ON DRIVERS FRONT SIDE OF TRUCK AND LAYING ON TOP OF THE FRAME WAS RUSTED ALMOST COMPLETELY IN HALF! QUICK THINKING AVOIDED ACCIDENT .THIS TRUCK HAS ONLY BEEN DRIVEN ON CITY STREETS AND NEVER OFF ROAD FOUR WHEELING AND FEEL THIS IS MANUFACTURING DEFECT AS STAINLESS STEELS LINES SHOULD NOT RUST IN HALF IF IN FACT THEY ARE STAINLESS STEEL TO BEGIN WITH.TRUCK IS AT GMC NOW TO BE REPAIRED. *TR

NHTSA ODI #10667500

44,300 miles · Dec 11, 2014
Fuel System, GasolinePower TrainService Brakes, Hydraulic

WHILE HAVING MY VEHICLE CHECK OVER FOR THE WINTER, THE MECHANIC INFORM ME THAT THE FRONT BRAKE LINES ARE VERY RUSTY AS WELL AS THE FUEL LINES AND THE COOLING LINES GOING TO THE TRANSMISSION. THIS SITUATION IS VERY DISTURBING SINCE I HAVE VERY LOW MILEAGE. THE TUBING USED FOR THE BRAKE AS WELL AS THE FUEL LINES SHOULD BE ABLE TO …

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WHILE HAVING MY VEHICLE CHECK OVER FOR THE WINTER, THE MECHANIC INFORM ME THAT THE FRONT BRAKE LINES ARE VERY RUSTY AS WELL AS THE FUEL LINES AND THE COOLING LINES GOING TO THE TRANSMISSION. THIS SITUATION IS VERY DISTURBING SINCE I HAVE VERY LOW MILEAGE. THE TUBING USED FOR THE BRAKE AS WELL AS THE FUEL LINES SHOULD BE ABLE TO WITHSTAND RUSTING FOR THE LIFE OF THE VEHICLE. IF THE MATERIAL USED BY GM WAS NOT UP TO SPECIFICATION AS FAR AS CORROSION PROTECTION EITHER COMPENSATION TO REPAIR IT IS IN ORDER A RECALL SHOULD BE MADE.

NHTSA ODI #10734179

Official recalls

1

04V562000 · Equipment Adaptive/mobility

Nov 26, 2004

ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.

Consequence & remedy

Consequence: IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN INJURIES TO A WHEELCHAIR OCCUPANT.

Remedy: DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL HANDLE THE REPAIRS FOR THIS CAMPAIGN. OWNERS SHOULD CONTACT SURE-LOCK AT 1-908-231-1804 OR MOBILITYWORKS AT 1-800-769-8267.

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.