2006 Hummer H2 problems and complaints

Owners have filed 25 complaints with NHTSA about the 2006 Hummer H2. The most-reported areas: Electrical System (5), Suspension (4), Service Brakes (4).

Key takeaways

  • 25 owner complaints on file with NHTSA.
  • 3 involve a crash, 1 a fire, 5 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Electrical System520%
Suspension416%
Service Brakes416%
Engine And Engine Cooling416%
Steering312%
Engine312%
Unknown Or Other28%
Seats28%
Air Bags28%
Fuel System28%
Gasoline28%
Visibility/Wiper28%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2006 Hummer H2 4-DRNot ratedNot ratedNot ratedNot rated

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Electrical System,visibility - filed 2025-06-02

The contact owns a 2006 Hummer H2. The contact stated while driving and activating the blower motor, the blower motor was intermittently inoperable. The contact stated that an abnormal electrical burning odor was coming from the vehicle. The contact stated that upon activation, the A/C and the heating systems were inte...

Electrical System - filed 2024-05-21

The contact owns a 2006 Hummer H2. The contact stated while driving at undisclosed speeds with the A/C activated, the contact became aware of an abnormal burning electrical odor. No warning lights were illuminated. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the blower mo...

Steering,suspension,wheels - filed 2019-07-22

THE OTHER DAY I TOOK A RIDE IN MY TRUCK AND UPON DRIVING APPROXIMATELY TWO BLOCKS FROM MY HOME THE STEERING CONTROL OF THE CAR TOTALLY FAILED. IMAGINE DRIVING YOUR CAR AND AT SOME POINT, YOU LOSE THE CAPABILITY OF CONTROLLING YOUR CARS DIRECTION WHILE HOLDING YOUR STEERING WHEEL. ONE CAN ONLY IMAGINE IF I WAS GOING ...

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More for the 2006 Hummer H2

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.