FaultScore

Hummer H2 electrical problems

74 of the 429 complaints filed about the Hummer H2 are about the electrical system — 17% of everything owners reported. The worst model year for it is 2005.

74

Complaints

17%

Share of all complaints

0

Crashes

4

Fires

Electrical System complaints by model year

2003 H2 24 32.4%

Median failure at 55,894 miles

2004 H2 14 18.9%

Median failure at 98,720 miles

2005 H2 27 36.5%

Median failure at 51,059 miles

2006 H2 4 5.4%

Median failure at 155,000 miles

2007 H2 3 4.1%

Median failure at 78,000 miles

2008 H2 2 2.7%

Median failure at 72,000 miles

What owners said

2004 Hummer H2 at 210,000 miles Orange Park, FL

ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

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 complaint #11717047 — an unverified report by a vehicle owner.

2005 Hummer H2 at 111,400 miles Colorado Springs, CO 1 injured

ELECTRICAL SYSTEM

The contact owns a 2005 Hummer H2. The contact stated that while parking in the mountains, the vehicle was in the park position, and it unexpectedly rolled and stopped at a boulder. There were no warning lights illuminated. The door hit the driver and knocked him to the ground, and he sustained an injury to his head, but medical attention was not provided. Another person on an ATV provided a jump start, but the vehicle failed to restart. The contact walked several miles to get assistance. The contact was able to view YouTube and replace the part. The contact stated that the transmission shifter cable had failed. There was a hole in the shaft connected to the transmission to the C clip. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 111,400.

NHTSA complaint #11676916 — an unverified report by a vehicle owner.

2006 Hummer H2 at 190,000 miles Warren, NJ

ELECTRICAL SYSTEM

The contact owns a 2006 Hummer H2. The contact stated while driving and activating the blower motor, the blower motor was intermittently inoperable. The contact stated that an abnormal electrical burning odor was coming from the vehicle. The contact stated that upon activation, the A/C and the heating systems were intermittently inoperable. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the blower motor wiring harness needed to be replaced. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 190,000.

NHTSA complaint #11664399 — an unverified report by a vehicle owner.

2008 Hummer H2 Homestead, FL

ELECTRICAL SYSTEM

P code P0872 6L50/6L80/6L90 - Automatic Transmission

NHTSA complaint #11648738 — an unverified report by a vehicle owner.

2006 Hummer H2 at 196,000 miles Plainfield, NJ

ELECTRICAL SYSTEM

The contact owns a 2006 Hummer H2. The contact stated while driving at undisclosed speeds with the A/C activated, the contact became aware of an abnormal burning electrical odor. No warning lights were illuminated. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the blower motor resistor needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 196,000.

NHTSA complaint #11589975 — an unverified report by a vehicle owner.

2004 Hummer H2 Kingwood, TX

ELECTRICAL SYSTEM

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 complaint #11453331 — an unverified report by a vehicle owner.

2005 Hummer H2 at 41,280 miles Pacific Grove, CA

ELECTRICAL SYSTEM

WHILE TRAVELING ON THE MAIN ROADS THE SPEEDOMETER INTERMITTENTLY MALFUNCTIONS THEN DROPS TO ZERO, WHEREAS I'M LITERALLY UNABLE TO DETERMINE MY SPEED THIS SEEMS TO OCCUR WHEN THE ENGINE WARMS UP AND I BEEN DRIVING FOR BETTER THAN A HALF HOUR.

NHTSA complaint #11415074 — an unverified report by a vehicle owner.

2003 Hummer H2 at 32,000 miles Port Orange, FL

ELECTRICAL SYSTEM

THE PASS LOCK KEEPS MY VEHICLE FROM STARTING AND STOPPING IT AT RANDOM, AND HAS BEEN DOING THIS FOR YEARS. SEEMS TO HAPPEN TO AT LEAST 85% OF HUMMERS OUT THERE IF YOU CHECK AROUND, HUMMER FORUM AND OTHER PLACES. THIS IS VERY SERIOUS. STOPS AT INTERSECTIONS, AND COULD ON RAILROAD TRACKS. I KNOW THAT YOU'VE HAD COMPLAINTS ABOUT THIS FOR YEARS AND IGNORED THEM, SAYING THAT YOU HAVEN'T HAD OTHER COMPLAINTS. THIS SHOULD BE ADDRESSED BY YOUR AGENCY, AS YOUR JOB IS TO KEEP THE CITIZENS SAFE. NOT PASS THEM OFF AS YOU'VE BEEN DOING FOR YEARS ON THIS ISSUE WITH THE GM PASS LOCK SYSTEM. THIS NEEDS RECALLED BEFORE MORE PEOPLE ARE KILLED DUE TO THIS MISS FUNCTION ON HUMMERS. MORE PEOPLE ARE HAVING THIS SHUTDOWN ISSUE THAN NOT. WHEN IT HAPPENS, YOU HAVE TO WAIT BETWEEN 10 AND 30 MINUTES WITH THE KEY IN THE START POSITION BEFORE IT WILL START. SO IT SITS IN THE MIDDLE OF AN INTERSECTION, INTERSTATE, BRIDGE, OR ANYWHERE ELSE DURING THIS TIME. HOPEFULLY YOU WILL ADDRESS THIS ISSUE PROMPTLY.

NHTSA complaint #11398236 — an unverified report by a vehicle owner.

2005 Hummer H2 at 160,000 miles Wilton, ME

ELECTRICAL SYSTEM

THE COMPUTER IN THE H2 HUMMER MALFUNCTION. WIPERS WILL NOT TURN OFF. 4 WHEEL DRIVE WILL NOT ENGAGE. ENGINE LIGHT COMES ON. EVERYTHING THE COMPUTER CONTROLS IS FAILING.

NHTSA complaint #11316038 — an unverified report by a vehicle owner.

2003 Hummer H2 at 45,000 miles Forest Ranch, CA

ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT THE VEHICLE FAILED TO START. IT TOOK THE CONTACT UP TO THIRTY MINUTES TO START THE VEHICLE AND THE LOCK WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND THE IGNITION SWITCH WAS REPAIRED, BUT THE FAILURE RECURRED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER AND DEALER WERE NOT NOTIFIED. THE FAILURE MILEAGE WAS 45,000.

NHTSA complaint #11181244 — an unverified report by a vehicle owner.

2004 Hummer H2 at 122,000 miles Jamestown, NC

ELECTRICAL SYSTEM

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 complaint #11180590 — an unverified report by a vehicle owner.

2004 Hummer H2 at 165,975 miles Tulsa, OK

ELECTRICAL SYSTEM

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 complaint #11139109 — an unverified report by a vehicle owner.

2007 Hummer H2 at 85,000 miles Midland, TX

ELECTRICAL SYSTEM

REAR WINDOW ON DRIVER SIDE, CABLE SNAPPED LESS THAN A YEAR AGO. IT WAS RAINING HEAVY AND I HAD TO RIDE WITH THE WINDOW DOWN FOR 13 HOURS TILL I GOT HOME. TONIGHT, IT'S THE 4TH OF JULY, TOOK MY KIDS TO SEE FIREWORKS.. ROLLED THE WINDOW DOWN FOR THEM TO WATCH, HEARD A POP. NATURALLY I WAS OUT OF TOWN AND HAD TO TO RIDE HOME LIKE THAT..

NHTSA complaint #11109576 — an unverified report by a vehicle owner.

2007 Hummer H2 at 78,000 miles Charleston, SC

ELECTRICAL SYSTEM

ABS /. TRACTION CONTROL. BOTH LIGHTS ON AT THE MESSAGE CENTER OF THE DASH BOARD. SIMULTANEOUSLY THESE TWO LIGHT COME ON AND OFF INTERMITTENTLY. MEANING THEY COME ON TOGETHER, SOMETIMES WHEN I HIT A SPEED BUMP AND THEN THEY GO OUT FOR SOMETIMES 1 MONTH OR 4 MONTHS EACH TIME RANDOMLY. ALWAYS WHEN THE CAR IS MOVING OR IN OPERATION.

NHTSA complaint #11099464 — an unverified report by a vehicle owner.

2005 Hummer H2 at 120,000 miles Lakewood, WA 1 injured

ELECTRICAL SYSTEM

HEATER FAN BLOWER MOTOR STARTED WORKING INTERMITTENTLY WHILE CAR IN MOTION, THEN SMELL OF BURNING ELECTRICAL. WIRING HARNESS TO HEATER UNDER THE GLOVEBOX WAS BURNING HOT TO THE TOUCH AND MELTED ALL THE WIRES. PLASTIC WIRE HARNESS COMPONENT COMPLETELY DESTROYED AND ALMOST CAUGHT FIRE.

NHTSA complaint #11064541 — an unverified report by a vehicle owner.

2005 Hummer H2 at 119,000 miles Lakewood, WA

ELECTRICAL SYSTEM

HEATER FAN CONTROL KNOB OVERHEATS. WHEN HEATER WAS IN OPERATION THE HEATER CONTROL KNOB AREA ABOVE AND BELOW THE CVERY HOT TO THE TOUCH, HEATING UP RADIO AND OTHER FRONT DASH COMPONENTS. PRIOR TO THIS, INSTRUMENT PANEL GAUGES STOPPED WORKING COMPLETELY FOR GAS GAUGE AND RPMS, AND STOPS WORKING INTERMITTENTLY FOR SPEEDOMETER (OCCURRED AROUND 100K MILES).

NHTSA complaint #11064542 — an unverified report by a vehicle owner.

2004 Hummer H2 at 111,644 miles Salem, OR Fire

ELECTRICAL SYSTEM

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 complaint #11022893 — an unverified report by a vehicle owner.

2005 Hummer H2 at 141,600 miles Concord, NC

ELECTRICAL SYSTEM

GET IN START THE VEHICLE, SEAT HEAT COMES ON. I TURN IT OFF IT COMES BACK ON SECONDS LATER. IT WILL NOT GO OFF AND STAY OFF. IT DOES NOT MATTER IF IM DRIVING OR PARKED. SEAT HEAT COMES ON BY ITS SELF.

NHTSA complaint #10981181 — an unverified report by a vehicle owner.

2003 Hummer H2 OKC, OK

ELECTRICAL SYSTEM

I BOUGHT A VEHICLE FROM MOTOR FAIR LLC LOCATED AT 2827 N MAY AVE OKLAHOMA CITY OK 73107, I GOT FINANCED THROUGH TINKER FEDERAL CREDIT UNION MOTOR FAIR LLC OWNER HESHAM SHAFIK AND ELIZEBETH SHAFIK TOLD ME MY MILLAGE WAS 98K MILES BUT I FOUND OUT THE RIGHT MILLAGE AND IT IS 174,426 WHAT CAN I DO ABOUT THIS SITUATION?

NHTSA complaint #10979168 — an unverified report by a vehicle owner.

2004 Hummer H2 Jacksonville, FL

ELECTRICAL SYSTEM

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 complaint #10915992 — an unverified report by a vehicle owner.

Other Hummer H2 problems