Problems · NHTSA complaints
2003 Chevrolet Suburban 1500 problems
Owners filed 175 complaints about the 2003 Chevrolet Suburban 1500 with NHTSA between Aug 2006 and Apr 2019. The most-cited component is electrical system (60).
Complaints
175
Filed with NHTSA
Crashes
6
Reported by owners
Fires
1
Reported by owners
Injuries
4
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Electrical system60
- Service brakes42
- Service brakes, hydraulic18
- Structure14
- Steering9
- Visibility9
- Vehicle speed control7
- Fuel system, gasoline7
- Fuel/propulsion system6
- Engine and engine cooling6
- Power train6
- Seat belts4
- Exterior lighting3
- Service brakes, electric3
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 7, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
9
26
26
10
19
22
7
13
20
7
6
3
6
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2006 | 9 |
| 2007 | 26 |
| 2008 | 26 |
| 2009 | 10 |
| 2010 | 19 |
| 2011 | 22 |
| 2012 | 7 |
| 2013 | 13 |
| 2014 | 20 |
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Electrical system
60 reports1 crash1 fire
“MY ENTIRE INSTRUMENT PANEL DOES NOT ALWAYS WORK WHEN I START MY TRUCK. IT WILL OCCASIONALLY COME TO LIFE AFTER DRIVING A BIT OR SOMETIMES IT DOESN'T WORK AT ALL. NO PATTERN AS TO WHEN, WHERE OR DRIVING CONDITIONS. STARTED A FEW MONTHS AGO WHERE IT WOULD ALWAYS WORK SHORTLY AFTER I STARTED THE ENGINE AND HAS PROGRESSIVELY GOTTEN WORSE,”
Service brakes
42 reports3 crashes
“BRAKE LINES RUSTING. TWICE IN A MONTH THE BRAKES FAILED AFTER A HARD STOP AT A TRAFFIC LIGHT. LUCKY FOR ME & OTHERS THERE WERE NO CARS IN FRONT OF ME OR TRYING TO CROSS THE INTERSECTION. AFTER APPLYING THE BRAKE HARD TO STOP, THE BRAKE PEDAL CONTINUED ALL THE WAY TO THE FLOOR AND THE CAR DID NOT STOP. THE MECHANIC TOLD ME THAT THE BRAKE LINES RUSTED AND THEREFORE THE BRAKE FLUID LEAKED OUT OF THE SYSTEM”
Service brakes, hydraulic
18 reports1 crash
“THE BRAKES FAILED DUE TO RUSTED BRAKE LINES BLOWING OUT IN THE PROXIMITY OF THE ABS MOTOR, WHICH IS LOCATED ON THE DRIVER SIDE, ALONG THE FRAME, UNDERNEATH THE DRIVERS SEAT. *TR”
Structure
14 reports
“ONE OF THE TWO REAR PLASTIC WINDOW HINGES HAS SNAPPED. I FIRST NOTICED ON 10/11 AS I WAS ACCESSING THE REAR OF THE VEHICLE BY UNLATCHING THE WINDOW. I WENT ONLINE TO CHECK THE ISSUE AND NOW REALIZE THIS ISSUE IS WIDESPREAD, THAT GM IS AWARE OF IT, AND ACTUALLY RE-DESIGNED THE HINGES STARTING IN 2005. WHAT THEY HAVEN?T DONE (AS I KNOW IT) IS ISSUE A RECALL FOR THIS OBVIOUS MANUFACTURING DEFECT. I'M WRITING TO ASK WHETHER THE NHTSA IS AWARE OF THIS ISSUE, AND IF IT AND/OR GM HAVE ALREADY DECIDED THIS DOES NOT WARRANT FURTHER ATTENTION. THE CONCERN IS IT?S EASY TO LATCH THE WINDOW IN PLACE, EVEN WITH 1 OF THE 2 HINGES BROKEN, AND THEREFORE DELAY OR SIMPLY IGNORE THE REPAIR NEED (AS THE REPAIR COST IS SIGNIFICANT), ASSUMING IT?S SAFE AS LONG AS YOU DON'T USE THE WINDOW FURTHER FOR ACCESS. BY CONTINUING TO USE THE VEHICLE W/OUT REPAIR, THE ONE WORKING HINGE AND WINDOW LATCH ITSELF ARE FORCED TO KEEP THE WINDOW IN PLACE. THIS IS A POTENTIAL DISASTER WAITING TO HAPPEN. UNDER THE ADDED STRESS, THE SINGLE HINGE WILL EVENTUALLY FAIL, AND LIKELY AT SPEED AS THE VEHICLE HITS THE LAST BUMP THE HINGE CAN WITHSTAND, OR AS REPORTED BY OWNERS ONLINE, A WINDOW IS SIMPLY ROLLED…”
Steering
9 reports1 fire
“IT'S MAKE A WEIRD SOUND WHEN TURNING THE ABS INDICATOR LIGHT IS ON THER DASH STATIONARY I CAME OUTSIDE TO START UP THE VEHICLE IS NOTICED A LIQUID LEAKING FROM UNDERNEATH”
Visibility
9 reports
“REAR WINDOW OF OUR SUBURBAN IS READY FALL OUT. THIS WOULD NOT INJURE US, BUT WOULD BE DEVASTATING TO CARS FOLLOWING US. GENERAL MOTORS KNOWS OF THIS DEFECT AS THEY CHANGED THE DESIGN OF THE REAR WINDOW IN THE FOLLOWING TWO YEARS. THEIR RESPONSE TO MY COMPLAINT WAS THAT A FIX WAS AVAILABLE THROUGH SAFE LITE, BUT NOT PERFORMED BY CHEVROLET. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 7, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.