There are 2 owner-reported body & structure complaints for the 2004 Hummer H2in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE 2 BRAIDED STEEL HOOD SUPPORT STRAPS EXHIBIT PREMATURE CORROSION WITHIN THE RUBBER COVERS CAUSING PREMATURE FAILURE WHICH MAY CAUSE AN INJURY DURING THE UNEXPECTED FAILURE WHEN THE HOOD IS OPENED BY USER. THE RUBBER COVERS HIDE THE CORROSION PROBLEM UNTIL FAILURE OCCURS. *NM
TL*THE CONTACT OWNS A 2004 HUMMER H2. THE CONTACT STATED THAT DURING STEADY RAINFALL, WATER SEEPS THROUGH THE WINDSHIELD HANDLE BAR ON BOTH SIDES OF THE VEHICLE. ON A PREVIOUS OCCASION, THE WATER SHORTED OUT THE IGNITION AND THE VEHICLE BEGAN EXPERIENCING FAILURE WITH THE MOTHERBOARD. THE CONTACT STATED THAT THE WATER ALSO ENTERS THROUGH THE REAR HEADLINER. THE DEALER WAS NOTIFIED ON ELEVEN OCCASIONS. THE HANDLE BAR ISSUE HAS BEEN REPAIRED, BUT THE REAR HEADLINER STILL LEAKS. THE CURRENT MILEAGE WAS 26,000 AND FAILURE MILEAGE WAS 4,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026