Worst 2006 Hummer H2 Problems
Top 3 most-reported issues with average mileage at failure.
Electrical Faults
Engine Problems
Steering Defects
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All Problems by Category
Every NHTSA complaint category for the 2006 Hummer H2.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 4 | — | 1 | — | |
| Engine Problems | 3 | — | — | — | |
| Steering Defects | 3 | — | — | — | |
| Airbags | 2 | 2 | — | — | |
| Seat-Related Issues | 2 | — | 1 | — | |
| Brakes | 2 | — | — | — | |
| Suspension:Rear | 2 | — | — | — | |
| Engine & Cooling | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System | 1 | — | — | — | |
| Equipment:Electrical | 1 | 1 | — | — | |
| Gasoline Fuel System | 1 | — | — | — | |
| Interior Lighting | 1 | — | — | — | |
| Automatic Transmission | 1 | — | — | — | |
| Manual Transmission | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Hydraulic Brakes | 1 | — | — | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 1 | — | — | — | |
| Suspension Failures | 1 | — | — | — | |
| Suspension:Front:Control Arm:Lower Ball Joint | 1 | 1 | — | — | |
| Wipers & Visibility | 1 | — | — | — | |
| Visibility:Defroster/Defogger/Hvac System:Fan/Motor:Resistor/Speed Control | 1 | — | — | — | |
| Wheel Issues | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2006 Hummer H2. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2006 Hummer H2
1 NHTSA recall campaign affecting ~1,365,070 vehicles.
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL; SATURN OUTLOOK; AND MODEL YEAR 2009 CHEVROLET TRAVERSE VEHICLES EQUIPPED WITH A HEATED WASHER FLUID SYSTEM (HWFS). A RECALL WAS IMPLEMENTED IN 2008 TO ADD A FUSE TO THE CONTROL CIRCUIT HARNESS TO ADDRESS THE POTENTIAL CONSEQUENCES OF A PRINTED CIRCUIT BOARD (PCB) ELECTRICAL SHORT. HOWEVER, THERE HAVE BEEN NEW REPORTS OF THERMAL INCIDENTS ON HWFS MODULES AFTER THIS IMPROVEMENT WAS INSTALLED. THESE INCIDENTS RESULTED FROM A NEW FAILURE MODE ATTRIBUTED TO THE DEVICE'S THERMAL PROTECTION FEATURE. THE SIGNIFICANCE VARIES FROM MINOR DISTORTION TO CONSIDERABLE MELTING OF THE PLASTIC AROUND THE HWFS FLUID CHAMBER.
Other Hummer H2 Years
2006 Hummer H2 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2006 Hummer H2 reliable?
What are common problems with the 2006 Hummer H2?
How safe is the 2006 Hummer H2?
Does the 2006 Hummer H2 have any recalls?
Should I buy a 2006 Hummer H2?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Hummer H2 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2006 Hummer H2
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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