Hummer · H2 · 2005
3
Recalls
91
Complaints
-
Not Rated
The 2005 Hummer H2 has 3 recalls and 91 owner-reported complaints on file with NHTSA. Most reported issue: electrical system (18 reports).
Source: NHTSA Public Records · Updated Apr 22, 2026
This page combines three types of NHTSA data: recall campaigns (official manufacturer or government actions), owner complaints (unverified consumer reports), and crash test ratings (where available). A vehicle with many complaints is not necessarily less reliable — complaint volume correlates with sales volume and vehicle age. Recalls indicate identified defects, not overall quality. To compare this model year with others, use the year navigation in the sidebar or return to the model overview page.
CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. THE PIN LOCATED INSIDE THE PITMAN ARM CAN SHEAR OFF DUE TO A REVERSE BENDING FATIGUE CONDITION, RESULTING IN A TOTAL LOSS OF STEERING CONTROL.
Remedy Status
FABTECH WILL NOTIFY OWNERS AND REPLACE THE PITMAN AND IDLER ARMS FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING FEBRUARY 2006. OWNERS MAY CONTACT FABTECH AT 909-597-7800.
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
Remedy Status
DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.
ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.
Remedy Status
DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.
The contact owns a 2005 Hummer H2. The contact stated that while the vehicle was parked, fluid started to leak from the steering wheel. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 140,000.
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.
The contact owns a 2005 Hummer H2. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed, and the brakes made a whistling sound. The contact, an independent mechanic, diagnosed that the brake booster needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and confirmed that there was no recall associated with the VIN. The failure mileage was approximately 70,000.
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.
TL* THE CONTACT OWNS A 2005 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING THE VEHICLE, THE POWER STEERING FAILED, CAUSING THE STEERING WHEEL TO BECOME VERY DIFFICULT TO TURN IN EITHER DIRECTION. ADDITIONALLY, THE POWER STEERING FLUID LEAKED UNTO THE HYDRO-BOOST BRAKING SYSTEM, CAUSING THE BRAKES TO MALFUNCTION AND BECOME SPONGY, EXTENDING THE BRAKING DISTANCE. THE CONTACT WORKS AS AN INDEPENDENT MECHANIC AND CONFIRMED THE CAUSES OF THE FAILURES. THE LOCAL DEALER APPLE VALLEY CHEVROLET LOCATED AT 650 FOXCROFT AVE, MARTINSBURG, WV 25401 AND THE MANUFACTURER WERE NOTIFIED OF THE FAILURE. THE CONTACT WAS INFORMED THAT THE VEHICLE WAS NOT INCLUDED IN THE NHTSA CAMPAIGN NUMBER: 05V043000 (SERVICE BRAKES, HYDRAULIC). THE CONTACT STATED THAT THE VEHICLE HAD EXPERIENCED THE FAILURE LISTED IN THE RECALL. THE FAILURE MILEAGE WAS 240,000.
TOYO TIRES | PART NUMBER: TOY360390 COMING APART AT THE SEAMS
The contact owns a 2005 Hummer H2 equipped with Cooper Tires, Tire Line: Discoverer, Tire size: 35X13.50R20LT, DOT Number: 1V1261B4V1724. The contact stated that while the vehicle was being serviced and on a lift, the mechanic became aware that all four tires were split in the middle of each tire. The vehicle was taken to a tire retailer where the tires were originally purchased and replaced, but the failure reoccurred. The contact stated that on another occasion, while the tires were being rotated, the mechanic became aware that the rear driver’s side tire had a tear in the sidewall. The tire was replaced. The manufacturer was notified of the failure. The failure mileage was unknown.
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.
CHECK ENGINE LIGHT KEEPS COMING ON AND LIGHT BLINKS THAN STAYS ON UNTIL I TAKE IT IN FOR SERVICE. THE SHOP CAN'T FIGURE OUT WHY IT IS DOING THIS HAD IT SHOP ABOUT 7-8 TIMES FOR SERVICE. ALSO CODE STATES CAN CAUSE A POSSIBLE FIRE
VEHICLE HAS 133,000 MILES. IT HAS NOW EXPERIENCED AN EXHAUST MANIFOLD GASKET LEAK DUE TO BROKEN BOLTS. THIS IS CAUSING NOISE FROM THE ENGINE AREA, AND IS UNSAFE DUE TO THE LEAK OF HOT GASES BEING RELEASED FROM THE ENGINE AT THE POINTS OF FAILURE (BROKEN BOLTS). THIS MAY BE AN EPA CONCERN AS WELL, AND COULD ALSO LEAD TO FAILURE OF CATALYTIC CONVERTER. REPAIR ESTIMATE IS $1,300. AN ONLINE SEARCH YIELDS HUNDREDS OF OTHER RESULTS WITH SAME FAILURE AND COMPLAINT ON ALL GM V8 ENGINES FOR YEARS 1999-2007. THIS AFFECTS THE 4.8L, 5.3L, AND 6.0L MODELS. THIS IS A DESIGN FAILURE AND THE AFFECTED VEHICLES WITH THESE ENGINES SHOULD BE RECALLED.
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.
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).
TAKATA RECALL HASN'T INCLUDED BUT SHOULD HAVE INCLUDED THE H2 HUMMER 2005. THIS LIGHT IS ON CONSTANTLY. FEEL VERY UNSAFE DRIVING IT. NOW, BECAUSE THEY ARE TRYING TO SAY IT'S THE CONSUMERS RESPONSIBILITY. I WILL TAKE THIS MATTER TO THE NEWS STATIONS IF I HAVE TO. THAT'S TOTALLY RIDICULOUS. THE VEHICLE WAS PARKED AND WHEN WE GOT INTO IT TO LEAVE THE LIGHT WAS ON AND BLINKING AND WOULD NOT GO OFF.
TL* THE CONTACT OWNS A 2005 HUMMER H2. THE CONTACT STATED THAT THE AIR BAG SERVICE WARNING INDICATOR REMAINED ILLUMINATED WHILE DRIVING, WHICH WAS A SAFETY CONCERN. THE VEHICLE WAS TAKEN TO A DEALER (HALEY BUICK GMC, 9831 MIDLOTHIAN TURNPIKE, RICHMOND, VA 23236, (804) 320-9054) WHERE IT WAS DIAGNOSED THAT THE SENSING DIAGNOSTIC MODULE FOR THE FRONT DRIVER'S SEAT NEEDED REPLACEMENT. THE VEHICLE WAS NOT REPAIRED DUE TO THE PART BEING DISCONTINUED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND DID NOT ASSIST. THE FAILURE MILEAGE WAS 83,550.
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.
WHILE DRIVING ON A CITY STREET AT APPROXIMATELY 40 MPH THE VEHICLE STARTED MAKING A LOUD NOISE (SIMILAR TO THE SOUND A DIRT BIKE ENGINE MAKES). THE SOUND BECAME LOLUDER WHEN I PRESSED THE BRAKES. I TOOK THE VEHICLE TO THE REPAIR SHOP AND WAS NOTIFIED THAT THE HYDROBOOSTER FAILED RESULTING IN A STEERING FLUID LEAKAGE.
AIRBAG LIGHT ON AND CAR NOT IN ACCIDENT. JUST WANT MY VEHICLE FIXED AS I'M SCARED TO DRIVE IT AND THE BAG COMES OUT. THE DOOR WON'T CLOSE.MY PHONE NUMBER IS [XXX]. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
THE SDM (SENSING AND DIAGNOSTIC MODULE) ON MY 2005 HUMMER H2 IS NOT WORKING AND IS CAUSING MY AIR BAGS TO NOT WORK, AND ALSO CAUSES OTHER MODULES TO NOT BE ABLE TO COMMUNICATE AND CAUSE MY GAUGES AND OTHER ELECTRICAL ACCESSORIES TO NOT OPERATE (WINDOWS, LOCKS, ETC.) MANY OTHER HUMMER H2 OWNERS ARE HAVING THIS SAME PROBLEM. A NEW SDM WOULD FIX THE ISSUE, BUT GM FOR SOME REASON HAS DISCONTINUED MANUFACTURING THIS MODULE. WHY WOULD GM STOP MAKING A SAFETY RELATED ITEM FOR VEHICLES THAT ARE ONLY AROULD 10 YEARS OLD WITH MANY STILL ON THE ROAD. SO, NOW WE MUST DRIVE IT WITH THE AIR BAGS MOST LIKELY NOT GOING TO DEPLOY IN A CRASH.
AIR BAG CONTROL MODULE NLA OEM 12249649. AFTER A RAIN I STARTED UP MY PARKED VEHICLE THE SERVICE AIR BAG LISTED IN THE DRIVER INFORMATION CENTER AS WELL AS THE RED WARNING LAMP TURN AND STAYED ON I AM THE ORIGINAL OWNER AND HAVE NEVER BEEN IN ANY CRASH. TOOK TO BOTH GM DEALER AND INDEPENDENT SHOP WITH THE SAME RESPONSE OF A REPLACEMENT WAS NOT AVAILABLE. IN MY RESEARCH I HAVE FOUND THE SAME ISSUE WITH OTHER 2005 OWNERS AND HAVE CONTACTED THE GM HELP LINE (CASE NUMBER 8-2560253832) TO NO AVAIL. MY LOCAL GM DEALER TRIED SEVERAL LEADS BUT WERE ALL DEAD ENDS. PREVIOUS YEARS OF THIS SAME MODEL VEHICLE HAVE THIS COMPONENT AVAILABLE BUT WILL NOT FIT THE 2005 YEAR MODEL AS I AM TOLD.
THERE IS A LEAK CAUSED BY THE TUBES CHANNELING WATER FROM THE SUNROOF. DURING HEAVY RAINS WATER POOLS ON THE DRIVER AND PASSENGER SIDE FLOOR.
Showing 1–20 of 25 complaints
The 2005 Hummer H2 has 3 recalls recorded by NHTSA.
NHTSA has received 91 owner-reported complaints for the 2005 Hummer H2.
NHTSA has not published a safety rating for the 2005 Hummer H2.
The most commonly reported complaint categories for the 2005 Hummer H2 are electrical system (18 reports), visibility (13 reports), air bags (10 reports).
Yes. NHTSA has 3 recalls on record for the 2005 Hummer H2. Scroll up to review the published recall summaries, consequences, and remedies. To check for unrepaired recalls on your specific vehicle, use your VIN at nhtsa.gov/recalls.
Look up recalls and complaints for any year, make, and model.
This page summarizes publicly available data from the National Highway Traffic Safety Administration (NHTSA). Complaint counts reflect reports submitted to NHTSA by vehicle owners and do not by themselves prove defect severity or vehicle safety. Safety ratings may not be available for all vehicle-years. This site is not affiliated with NHTSA or any vehicle manufacturer. For official information, visit the official NHTSA page for this vehicle.