RoadVitals

2004 Hummer H2 Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
59
Latest Feb 10, 2026
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
7
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
1
Reports on file since Jul 25, 2004

What this page shows

Our database holds 59 NHTSA owner-reported complaints for the 2004 Hummer H2. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–25 of 59 · page 1 of 3

Electrical
Filed Feb 10, 2026

Odometer Fraud. The contact purchased a 2004 Hummer H2. The contact discovered a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 200,000. It was later discovered that the mileage on the Title was 210,000. Additionally, the contact stated she felt pressured to purchase the vehicle, signed the contract, and was unable to recoup the funds.

NHTSA ID
11717047
Incident
Feb 10, 2026
Mileage
210,000 mi
Seat belts
Filed Oct 10, 2022

Report states my vehicle has a recall on 2nd row seatbelts.

NHTSA ID
11488599
Incident
Oct 10, 2022
ElectricalEngine
Filed Feb 22, 2022

Yesterday I turned off the alarm and unlocked the doors via the keypad. I opened the driver door and my wife opened the passenger rear door and the Hummer H2 started. No key in the ignition and the fob does not have a start button. I then got in the car and inserted the key and turned the key to ON then to off and the vehicle would not shut off. Only after cycling through the gears was I able to shut off the vehicle. I have now disconnected the battery to prevent another unwanted start.

NHTSA ID
11453331
Incident
Feb 20, 2022
Suspension
Filed Sep 16, 2021

The contact owns a 2004 Hummer H2.The contact stated while driving at 35MPH, the contact stated the vehicle loss of control and forward momentum to the vehicle which caused the vehicle stalled and loss motive power. The contact who is a mechanic inspected the vehicle and notice that front differential carrier bolt had snapped was detached from the frame and connection to the engine. The vehicle was towed to the contact residence then towed later to a local dealer who inspected the vehicle diagnosed the failure the same as the contact that front differential carrier bolt was damaged and to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was at approximately 100,000. Consumer stated component that failed is the front differential to front differential carrier connection.

NHTSA ID
11433225
Incident
Aug 15, 2021
Mileage
100,000 mi
Brakes
Filed Jul 16, 2019

TL* THE CONTACT OWNS A 2004 HUMMER H2. WHILE DRIVING APPROXIMATELY 25 MPH, THE BRAKE PEDAL WAS DEPRESSED AND TRAVELED TO THE FLOORBOARD. THE STOPPING DISTANCE WAS EXTENDED. WHILE EXAMINING THE VEHICLE, THE CONTACT NOTICED BRAKE FLUID LEAKING UNDER THE SUBFRAME. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE LOCAL DEALER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 160,000.

NHTSA ID
11232360
Incident
Jul 14, 2019
Mileage
160,000 mi
Tires & wheels
Filed Jul 15, 2019

TL* THE CONTACT OWNS A 2004 HUMMER H2 EQUIPPED WITH AFTERMARKET NITTO MUD GRAPPLER EXTREME TIRES, SIZE: 37/13.5/20 (NA). THE TIRES WERE PURCHASED ON NOVEMBER 28, 2018. THE CONTACT STATED THAT THE TWO FRONT TIRES WERE WORN MORE THAN HALFWAY EVER SINCE THEY WERE PURCHASED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND STATED THAT THE TIRES WERE NOT DESIGNED FOR CITY DRIVING. THE TIRES WERE NOT REPLACED. THE APPROXIMATE VEHICLE FAILURE MILEAGE WAS 205,000 AND THE TIRE FAILURE MILEAGE WAS 2,000.

NHTSA ID
11232075
Incident
Apr 8, 2019
Mileage
205,000 mi
Electrical
Filed Feb 17, 2019

WHOLE CLUSTER LIGHTS UP ON CAR DOOR LOCKS DON'T WORK RADIO WON'T GO OFF AIR BAG LIGHTS ON ALL BRAKE LIGHTS ON , THIS WAS GOING DOWN A CITY STREET DRIVING

NHTSA ID
11180590
Incident
Feb 15, 2019
Mileage
122,000 mi
Driver assistanceElectricalEngine
Filed Oct 8, 2018

I AM HAVING A PROBLEM WITH MY HUMMER 2004. THE LOCK LIGHT COMES ON AND MY HUMMER WILL NOT START. THIS IS SO HORRIBLE THE PROBLEM STARTED ABOUT 3 MONTHS AGO. EVERYTIME THAT LIGHT COMES ON I HAVE TO WAITE 15TO 25 MINUTES FOR IT TO START AGAIN.

NHTSA ID
11139109
Incident
Jun 27, 2018
Mileage
165,975 mi
Brakes
Filed Apr 23, 2018

RIGHT FRONT BRAKE HOSE RUBBING ON WHEEL AND CUTTING LOSS OF FLUID AND BRAKING EFFETENESS WAS MOVING IN DRIVEWAY WHEN IT POPPED THE MILEAGE IS 29236

NHTSA ID
11089607
Incident
Apr 22, 2018
Mileage
29,236 mi
Brakes
Filed Feb 11, 2018

BRAKES LINES UNDER VEHICLE HAVE EXCESSIVE CORROSION AND HAVE FINALLY CRACKED, RESULTING IN COMPLETE BRAKE FAILURE. EVENT DID NOT RESULT IN ACCIDENT. VEHICLE HAS NOT BEEN OPERATED IN A NORTHERN SNOW REGION NOR COASTAL AREA.

NHTSA ID
11072214
Incident
Feb 11, 2018
Mileage
128,000 mi
BrakesElectrical
Filed Sep 12, 2017
Fire reported

AS I WAS DRIVING ON I 5 IN OREGON I EXPERIENCED A COMPLETE FAILURE OF THE ELECTRICAL SYSTEM AND BRAKE SYSTEMS. THE VEHICLE WAS ON CRUISE CONTROL AND WHEN I DISENGAGED IT ALL OF THE SAFETY WARNING LIGHT APPEARED ON THE DASHBOARD. I PRESSED ON THE BRAKES AND THEY WERE A COMPLETE FAILURE ALSO. AT THIS TIME THE DASHBOARD LIGHTS AND CONTROLS WENT OFF AND I LOSS POWER. I WAS ABLE TO GET TO THE SIDE OF THE ROAD WHEN I NOTICED SMOKE COMING FROM UNDER THE HOOD. I GOT MY DAUGHTER OUT OF THE VEHICLE TO A SAFE DISTANCE AND OPENED THE HOOD AND THE MAIN FUSE RELAY PANEL WAS FULLY ENGULFED IN FIRE. I CALLED 911. IN THE APPROX. 5 MIN. THE TIME THE FIRE TRUCK ARRIVED THE TRUCK WAS CONSUMED AND FULLY GUTTED OUT FROM THE FIRE.

NHTSA ID
11022893
Incident
Sep 11, 2017
Mileage
111,644 mi
Brakes
Filed Aug 7, 2017

MY 2004 H2 HAS A SERIOUS RUSTING ISSUE WITH THE BRAKE LINES. ON 2 SEPARATE OCCASIONS I HAVE BEEN DRIVING ALONG AT APPROXIMATELY 30 MPG AND HIT THE BRAKES ONLY TO HAVE THEM GO ALL THE WAY TO THE FLOOR. LUCKILY I DID NOT AN ACCIDENT. IN BOTH OCCASIONS THE LINE BURST DUE TO RUST. MY VEH. HAS 103,000.00 LIGHTLY DRIVEN. GM NEEDS TO COME OUT AND ADMIT THEY HAVE A PROBLEM WITH RUSTING BRAKE LIENS BEFORE SOMEONE GETS KILLED

NHTSA ID
11013344
Incident
Aug 6, 2017
Mileage
103,000 mi
Powertrain (other)
Filed Oct 22, 2016

I WAS DRIVING HOME AT NIGHT AND ABOUT A MILE BEFORE I GOT HOME MY TRANSMISSION DIDN'T SEEM TO SHIFT AS SMOOTH AS IT USUALLY DOES AND WHEN I PARKED IN MY GARAGE I GOT OUT AND TRANSMISSION FLUID WAS DRIPPING OUT FROM UNDER MY H2 VERY QUICKLY AND BY THE NEXT HOUR IT HAD EVERY BIT RUN OUT AND HUGE PUDDLE OF TRANSMISSION FLUID WAS ALL OVER MY GARAGE FLOOR. I TOOK THE SKID PLATE OFF MY H2 AND THE TRANSMISSION LINE HAD A HOLE RUSTED THROUGH IT. HAD I BEEN ANOTHER FEW MILES AWAY FROM GETTING HOME THIS COULD HAVE DESTROYED MY TRANSMISSION AND POSSIBLY CAUSED ME TO WRECK.

NHTSA ID
10918078
Incident
Sep 1, 2016
Mileage
93,900 mi
AirbagsDriver assistanceElectrical
Filed Oct 13, 2016

I HAVE A 2004 HUMMER H2, THE ENTIRE INSTRUMENT PANEL MALFUNCTIONS.. FUEL GAUGE, SPEEDOMETER, OIL GAUGES .KEYLESS ENTRY WILL NOT WORK,ETC. REDUCED ENGINE POWER MESSAGE APPEARS AND VEHICLE AUTOMATICALLY SLOWLY REDUCING SPEED TO 15 MILES PER HR WHILE DRIVING AT HIGH SPEED. AIR BAG LIGHT WILL NOT SHUT OFF. THESE ISSUES ARE A SAFETY HAZARD AND I WOULD APPRECIATE ASSITANCE AND RESULUTION AS SOON AS POSSIBLE. THIS TRUCK HAS LESS THAN 75,000 MILES AND HAS BEEN WELL MAINTAINED. .

NHTSA ID
10915992
Incident
Sep 19, 2016
Airbags
Filed Sep 1, 2016

CHECK SYSTEM OUT AND SENSING MODULE THAT CONTROLS THE INFLATABLE RESTRAINTS HAS INTERNAL FAILURE AND WILL NOT COMMUNICATE. THE SDM NEEDS REPLACED

NHTSA ID
10903032
Incident
Aug 29, 2016
Mileage
64,540 mi
Visibility
Filed Jan 29, 2016

GM IS RECALLING 13,358 MY 2003 HUMMER H2 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH WATER CAN ENTER THE WINDSHIELD WIPER MOTOR MODULE. IF A SUFFICIENT AMOUNT OF WATER ENTERS THE MODULE, OVER TIME, THE FRONT WINDSHIELD WIPERS MAY WORK INTERMITTENTLY OR THEY MAY BECOME INOPERATIVE. READ MORE AT HTTP://WWW.CARS.COM/RECALLS/HUMMER/H2/2003/#85K348WCJDLBCQXU.99

NHTSA ID
10822978
Incident
Jan 1, 2015
Mileage
135,000 mi
Brakes
Filed Oct 24, 2014

I WAS PULLING OUT OF MY DRIVEWAY IN MY HUMMER H2 WHEN THE BRAKE PEDAL WENT TO THE FLOOR. I GOT OUT OF MY H2 AND NOTICED A LARGE AMOUNT OF BRAKE FLUID RUNNING OUT FROM UNDER THE REAR END NEAR THE LEFT REAR WHEEL. I LOOKED UNDER THE VEHICLE AND NOTICED A BRAKE LINE WAS RUSTED IN TWO. I CHECKED UNDER THE HOOD AND SAW THAT THE BRAKE FLUID RESERVOIR WAS COMPLETELY EMPTY. *TR

NHTSA ID
10649650
Incident
Oct 17, 2014
Mileage
83,014 mi
Electrical
Filed Oct 23, 2014

I FEEL THAT THIS KEY PROBLEM FALLING OUT OF THE IGNITION, KEY WILL NOT TURN ON OR OFF MAKING IT HARD TO CONTROL WHEN THE KEY IS IN THE IGNITION AND CAUSING IT NOT TO START. I HAD THIS SAME PROBLEM ON A 2003 ISUZU ASCENDER. ALSO THE "DRIVER INFORMATION CENTER" HAS QUIT WORKING RIGHT WHICH CONTROLS A LOT OF THINGS ON THE VEHICLE. I THINK IT IS A DEFECTIVE SWITCH FROM GM WHO ALSO BUILT MY 2003 ISUZU. *TR

NHTSA ID
10649544
Incident
Mar 1, 2014
Mileage
113,784 mi
Brakes
Filed Jan 20, 2014

I WAS TRAVELING ON NJ TURNPIKE WHEN MY BRAKES DIDN'T FEEL RIGHT. ALMOST NO BRAKES STEPPING TO FLOOR. THEN BRAKE FAILURE LIGHT CAME ON. THIS IS A GARAGE KEPT VEHICLE WITH APPROX 14000 ORIGINAL MILES. APPEARS BRAKE LINES ARE CORRODED. ONE OWNER. HOW COULD THIS HAPPEN. IS THERE A RECALL HOW CAN I OBTAIN DETAILS FOR FULL RECOVERY OR REIMBURSEMENT? *TR

NHTSA ID
10560687
Incident
Jan 11, 2014
Mileage
14,000 mi
Brakes
Filed Dec 3, 2013

TL* THE CONTACT OWNS A 2004 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH, THE BRAKE PEDAL FAILED TO RESPOND WHEN DEPRESSED REPEATEDLY. THE VEHICLE WAS DRIVEN UPHILL IN COMBINATION OF THE EMERGENCY BRAKE BEING ENGAGED IN AN ATTEMPT TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE BRAKE POWER BOOSTER WAS REPLACED. IN ADDITION, THE MASTER CYLINDER AND BRAKE LINES WERE REPLACED AT DIFFERENT TIMES. THE MANUFACTURER WAS NOTIFIED OF THE DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 71,000.

NHTSA ID
10554596
Incident
Aug 14, 2013
Mileage
71,000 mi
Visibility
Filed May 4, 2013

I HAVE A 2004 H2 MY FRONT WINDSHIELD WIPERS WILL NOT SHUT OFF. I HAD TO REMOVE THE WIPER FUSE IN ORDER TO DRIVE MY TRUCK ON A SUNNY DAY. THE SWITCH IS IN THE OFF POSITION BUT THEY CONTINUE TO STAY ON. I NEED HELP FAST TO CONTINUE TO DRIVE MY TRUCK IN SAFE CONDITIONS. *TR

NHTSA ID
10510636
Incident
May 3, 2013
Mileage
55,961 mi
Interior & seats
Filed Aug 30, 2012
1 injury reported

WHILE DRIVING THE VEHICLE ON AN EXTENDED TRIP ON THE HIGHWAY, THE HEATING ELEMENT ON THE HEATED SEATS OVERHEATED AND BURNED THE RIGHT SIDE BELOW SHOULDER BLADE ABOVE WAIST, CAUSING INJURY TO MY BACK. I WENT TO A PHYSICIAN ,AND NOW HAVE A TWO LARGE SCARS ABOUT 4.5 INCHES IN LENGTH. I HAD THE SEAT WARMER ON A TRIP TO NEBRASKA, AND THE SEAT BURNED MY BACK. *TR

NHTSA ID
10473022
Incident
Aug 10, 2012
Mileage
155,000 mi
ElectricalExterior lightingVisibility
Filed May 17, 2012

1. VOLTAGE METER ERRATIC 2. WINDSHIELD WIPERS STOPPED WORKING, WIPERS STOPPED AND REMAIN IN THE MIDDLE OF THE WINDSHIELD. 3. DASHBOARD INSTRUMENT PANEL REMAINED ON WITH BATTERY LIGHT AND RADIO AFTER SWITCHING OFF AND LOCKING VEHICLE. IT WAS NECESSARY TO DISCONNECT THE BATTERY TO DISABLE THIS CONDITION. ON MORNING OF 5/17/2012, WE RECONNECTED THE BATTERY AND VOLTAGE METER AND INSTRUMENT PANEL WAS NORMAL. WINDSHIELD WIPERS ARE STILL INOPERABLE. *TR

NHTSA ID
10458867
Incident
May 11, 2012
Mileage
98,720 mi
Electrical
Filed Apr 4, 2012

TL* THE CONTACT OWNS A 2004 HUMMER H2. THE CONTACT STATED THAT THE SPEEDOMETER FAILED AS HE PARKED THE VEHICLE. CONTACT NOTICED THAT THE SPEEDOMETER PROVIDED A READING OF 80 MPH INSTEAD OF 0. ON OCCASIONS, THE SPEEDOMETER WOULD RETURN TO NORMAL BUT WOULD MAINLY READ BETWEEN 80-100 MPH ERRONEOUSLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THEY ADVISED HIM THAT A MOTOR IN THE SPEEDOMETER FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED NOR WAS THE MANUFACTURER CONTACTED. THE FAILURE MILEAGE WAS APPROXIMATELY 43,000. THE VIN WAS UNAVAILABLE.

NHTSA ID
10454053
Incident
Apr 2, 2012
Mileage
43,000 mi
Visibility
Filed Dec 14, 2011
Crash reported

TL* THE CONTACT OWNS A 2004 HUMMER H2. THE CONTACT STATED THAT THE WIPER MOTOR FOR THE FRONT WINDSHIELD BECAME INOPERABLE WHILE THE CONTACT WAS DRIVING IN INCLEMENT WEATHER, CAUSING THE CONTACT TO LOSS CONTROL OF THE VEHICLE AND CRASH INTO A GUARD RAIL. THE DEALER AND MANUFACTURER WERE NOTIFIED OF THE FAILURE, BUT DENIED ANY ASSISTANCE WITH REPAIRS TO THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THERE WERE NO INJURIES. A POLICE REPORT WAS NOT FILED. THE FAILURE MILEAGE WAS 70,000 AND THE CURRENT MILEAGE WAS 80,000.

NHTSA ID
10439872
Incident
Nov 1, 2011
Mileage
70,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Narrow this down by component

Categories with enough reports to have a page of their own

Data sources

Data on this page last refreshed .