← New search

2005 Hummer H2

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

How this year compares

Owner complaints by model year

Other model years Selected year
Compare all H2 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

68 reports with mileage · 11 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 27 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Visibility. Review the 15 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

3 crash reports1 fire reports2 injury reports

Service Brakes, Hydraulic complaints

5 reports
Clear category filter
70,000 miles · May 10, 2023
Service Brakes, Hydraulic

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…

Read full complaint

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.

NHTSA ODI #11521346

240,000 miles · Nov 9, 2020
Service Brakes, HydraulicSteering

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 SPON…

Read full complaint

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.

NHTSA ODI #11373830

81,500 miles · Nov 25, 2015
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2005 HUMMER H2. THE CONTACT STATED THAT WHILE COMING TO A STOP, THE BRAKES FAILED TO RESPOND WHEN THE BRAKE PEDAL WAS DEPRESSED. IN ADDITION, AN ABNORMAL SQUEAKING SOUND WAS HEARD FROM THE STEERING WHEEL. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIA…

Read full complaint

TL* THE CONTACT OWNS A 2005 HUMMER H2. THE CONTACT STATED THAT WHILE COMING TO A STOP, THE BRAKES FAILED TO RESPOND WHEN THE BRAKE PEDAL WAS DEPRESSED. IN ADDITION, AN ABNORMAL SQUEAKING SOUND WAS HEARD FROM THE STEERING WHEEL. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE HYDRAULIC BRAKE BOOSTER ACCUMULATOR CRACKED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VIN WAS NOT INCLUDED IN THE NHTSA CAMPAIGN NUMBER: 05V043000 (SERVICE BRAKES, HYDRAULIC). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 81,500.

NHTSA ODI #10806816

75,000 miles · Jan 5, 2012
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2005 HUMMER H2. THE CONTACT INSPECTED UNDERNEATH THE VEHICLE AND DETECTED A POWER STEERING FLUID LEAKAGE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO INFORMED HIM THAT THE BRAKE HYDRO-BOOST WAS LEAKING FLUID. THERE WAS A RECALL RELATED TO THE DEFECT UNDER NHTSA CAMPAIGN ID NUMBER 04V045000 (SERVICE B…

Read full complaint

TL* THE CONTACT OWNS A 2005 HUMMER H2. THE CONTACT INSPECTED UNDERNEATH THE VEHICLE AND DETECTED A POWER STEERING FLUID LEAKAGE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO INFORMED HIM THAT THE BRAKE HYDRO-BOOST WAS LEAKING FLUID. THERE WAS A RECALL RELATED TO THE DEFECT UNDER NHTSA CAMPAIGN ID NUMBER 04V045000 (SERVICE BRAKES, HYDRAULIC). THE VIN WAS NOT INCLUDED IN THE RECALL DEFECT. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 75,000.

NHTSA ODI #10442503

Mileage unknown · May 12, 2005
Service Brakes, Hydraulic

2005 AM GENERAL HUMMER H2 BRAKES GO ALL THE WAY TO THE FLOOR ON A PANIC STOP. THIS PROVIDES NO FEEDBACK FOR THE HUMAN-MACHINE INTERFACE. THIS IS CONTRARY TO ACCEPTED VEHICLE BRAKE DESIGN PRACTICE AND MAY CAUSE A DRIVER TO PANIC.

NHTSA ODI #10120801

Official recalls

2

05V163000 · Seat Belts:rear/other

Apr 22, 2005

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.

Consequence & remedy

Consequence: A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT TO RIDE UP ON AN OCCUPANT'S ABDOMEN INSTEAD OF FITTING LOW AROUND THEIR HIPBONES, AND THEREFORE, CAN EXPOSE THEM TO MORE RISK OF ABDOMINAL AND INTERNAL ORGAN INJURY.

Remedy: 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.

05V043000 · Service Brakes, Hydraulic

Feb 8, 2005

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.

Consequence & remedy

Consequence: IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY. THE LOSS OF FLUID WOULD CAUSE INCREASED STEERING AND BRAKING EFFORT AND A CRASH MAY OCCUR WITHOUT PRIOR WARNING.

Remedy: 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.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

EA05017 · Hummer H2 Steering Knuckle Failures

Opened Oct 28, 2005 · Closed Apr 30, 2007

Status: closed (inferred from source dates) · Suspension:front:control Arm:lower Ball Joint

ODI UPGRADED THIS INVESTIGATION AT THE CONCLUSION OF PE04-080.THE ALLEGED DEFECT INVOLVES THE FAILURE OF THE STEERING KNUCKLE AT THE LOWER BALL JOINT BOSS, RESULTING IN A SEPARATION OF THE LOWER BALL JOINT FROM THE KNUCKLE.A LOWER BALL JOINT SEPARATION COULD RESULT IN A LOSS OF STEERING AND/OR A DISABLED VEHICLE. IT APPEARS THAT THE FRACTURES OF H2 STEERING KNUCKLES CAN BE ATTRIBUTED TO WHEEL/TIRE COLLISION FORCES BEING TRANSFERRED DIRECTLY TO THE STEERING KNUCKLE.THE ORIGINAL KNUCKLE DESIGN APPEARS TO BE SUFFICIENT FOR THE H2 APPLICATION.EVIDENCE FROM INSPECTED VEHICLES, PHOTOGRAPHS, POLICE REPORTS AND EDR DATA INDICATES COLLISION IMPACT EVENTS PLACED STRESS ON THE STEERING KNUCKLE CAUSING IT TO FRACTURE.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS WITH REGARD TO THE SUBJECT COMPONENT.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION ON THIS ISSUE IF WARRANTED.