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2004 Hummer H2Problems, recalls & complaints

NHTSA has logged 59 owner complaints about the 2004 Hummer H2, most often about the electrical system. It is covered by 3 safety recalls.

2004 Hummer H2
54
CarFlaw IndexSolid year13% below the H2 median · #3 of 5 years by complaints
Safety recalls3Free fix at dealersOwner complaints5910 with a crash, fire or injuryTypical failure mileage99kElectrical system, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through February 10, 2026. Updated daily. Photo: Noah Wulf, CC BY-SA 3.0.

Complaints by system

Where the 2004 Hummer H2 has problems

59 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system141
Visibility101
Service brakes81
Steering62
Service brakes, hydraulic62
Air bags31
Structure31
Suspension31
Visibility/wiper30
12 other systems151

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

2004 Hummer H2 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Seat belts: rear/other

Recall 05V-163 · Apr 22, 2005 · 1,359,824 vehicles

Risk. 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…

Problem, fix and repair progress →

–no report yet

Service brakes, hydraulic

Recall 05V-043 · Feb 8, 2005 · 77,411 vehicles

Risk. 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.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hummer.

Best & worst years

2004 vs. every other H2 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the H2 median. How we score

'03'04'05'06'07'08'09
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
2 investigations

NHTSA defect investigations

Federal investigations that included the 2004 Hummer H2, and the recalls they led to.

  1. HUMMER H2 STEERING KNUCKLE FAILURESEA05017 · closed Apr 30, 2007
    No recall
  2. STEERING KNUCKLE FRACTUREPE04080 · closed Oct 28, 2005
    No recall
In owners' words

What H2 owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

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…
Complaint 11717047 · Feb 10, 2026 · 210,000 miles
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…
Complaint 11453331 · Feb 22, 2022
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
Complaint 11180590 · Feb 17, 2019 · 122,000 miles

Own a 2004 H2?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.