There are 7 owner-reported body & structure complaints for the 2003 Hummer H2in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
WHEN I AM PARKED ON MY DRIVEWAY, THE TWO FRONT DOORS WILL NOT STAY OPEN TO LET ME AND MY WIFE SAFELY ENTER AND EXIT. THE DOORS ARE SUPPOSED TO BE HELD OPEN BY WHAT IS CALLED A DOOR CHECK. THESE TWO LEFT AND RIGHT DOOR CHECKS HAVE A DEFECTIVE DESIGN BECAUSE I ORDERED TWO NEW ONES, AND THE 2 DOORS WILL NOT STAY OPEN AS WE ARE ENTERING, AND EXITING THE HUMMER. THE DOORS QUICKLY CLOSE AND ALMOST BREAK OUR HIP , LEGS AND FEET. IT IS A DEFECTIVE DESIGN BECAUSE THEY USED PLASTIC AND RUBBER TO MAKE FRICTION TOGETHER IN THE DOOR CHECK. IT WILL NOT HOLD OPEN THE HEAVY DOOR(S) ON THE HUMMER H2. THE HUMMER ONLY HAS 14,710 MILES ON IT. SO, I KNOW THAT IT IS A COMMON PROBLEM. NORMALLY, MY LAST GM CHEVROLET TRUCK USED DOOR CHECKS WITH STEEL ROLLER(S) THAT ROLLED AGAINST A STEEL SPRING(S). I AM HAVING DIFFICULTY ON YOUR WEBSITE TO UPLOAD A PHOTO OF THE DOOR CHECK WITH THE DEFECTIVE DESIGN.
WE PURCHASED THIS H2 IN DECEMBER 2014 AND BY FEB 2015 NOTICED A GRUMBLY SOUND IN THE BRAKES. WE TOOK IT IN FOR SERVICE AND THE TECH TOLD US THE WHOLE UNDERCARRIAGE WAS RUSTED AND ALL THE BRAKE LINES WERE RUSTED THRU AND HAD TO BE REPLACED. SINCE SOME OF THE LINES WERE NO LONGER AVAILABLE, THEY HAD TO "CREATE" THEM. THIS WAS A COSTLY FIX AND WHO KNOWS WHAT THE SAFETY IMPACT COULD HAVE BEEN.
TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT WAS DRIVING 45 MPH AND ATTEMPTED TO STOP AT A RED LIGHT WHEN THE BRAKES FAILED. THE VEHICLE COASTED UNTIL IT STOPPED IN A PARKING LOT. THE EMERGENCY BRAKE WAS USED TO DRIVE THE VEHICLE TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS LATER TAKEN TO AN INDEPENDENT MECHANIC, WHO DIAGNOSED THE VEHICLE AS HAVING CORROSION ON THE BRAKE LINE. THE CONTACT WAS INFORMED THAT IN ORDER TO REPAIR THE VEHICLE, THE FRAME WOULD HAVE TO BE REMOVED. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED OF THE INCIDENT. THE APPROXIMATE FAILURE MILEAGE WAS 80,000.
WHILE TURNING DOWN A CITY STREET THE LEFT FRONT WHEEL OF MY 2003 HUMMER 2 BROKE OFF FROM THE AXLE, AND THE VEHICLE DROPPED ONTO ITS BELLY ON THE LEFT FRONT SIDE. IT WAS TOWED TO THE DEALERSHIP AND REPORTED TO THEM. THEIR RESPONSE HAS BEEN "WHATEVER, TOO BAD" BUT THERE ARE ONLY 68,000 MILES ON IT AND THIS FAILURE HAS BEEN REPORTED IN THESE VEHICLES BEFORE. WHAT CONSTITUTES A SAFETY RECALL AND WHO GATHERS AND REPORTS THE DATA ? THANK YOU *TR
I HAVE A MAJOR PROBLEM WITH LEAKING AND RATTLING COMING FROM THE SUNROOF AND NOW I CANNOT GET IT TO FUNCTION. IT SOUNDS LIKE IT MIGHT ACTUALLY FLY OFF WHEN I AM RIDING DOWN THE ROAD. I HAVE HEARD VERY MANY COMPLAINTS ON THIS SAME PROBLEM FROM OTHER H2 OWNERS. I AM NOT WORRIED ABOUT IT WORKING PROPERLY BUT I AM VERY CONCERNED ABOUT IT FLYING OFF AND CAUSING SERIOUS INJURIES TO MY SELF OR OTHER PEOPLE IT MAY HIT. *TR
TWO CABLE STRAPS HOLDING HOOD ON 2003 HUMMER H2 BROKE
DT: THE CONSUMER OWNS A 2003 HUMMER H2. THE HOOD CABLE ON THE H2 WAS SURROUNDED BY A RUBBER SLEEVE FOR THE HOOD RELEASE. OVER A PERIOD OF TIME THE CABLE DETERIORATED AND IT CAUSED THE HOOD TO FALL, RESULTING IN INJURY TO THE CONTACT. WHEN THE HOOD WAS IN THE LOCK POSITION THE RUBBER HOSES AROUND THE SUPPORT CABLES HELD WATER IN THE PROCESS AND CAUSED THE CABLE TO RUST. THIS OCCURRED ON BOTH OF THE HOOD CABLES. THE DEALERSHIP REPLACED THE CABLE, AND THEY DID NOT PUT THE RUBBER HOSE ON THE CABLE. THEY REPLACED IT WITH A DIFFERENT TYPE OF CABLE. THE CONTACT REPORTED THIS TO GM MANUFACTURER. THEY OFFERED HIM A $200 SETTLEMENT FOR HIS INJURY. THIS OCCURRED ON SEPTEMBER 13, 2004.*AK *JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026