Hummer H3 Problems

The worst model years for the Hummer H3 are shown below. The 2006 H3 has the most overall problems. It's worth keeping an eye on the 9 complaints about passlock light on preventing engine to start.

Click on a bar graph to go to CarComplaints.com, where you can find out more specific information about each model.

Worst Hummer H3 Model Years

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Most Common Hummer Problems

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Hummer Consumer Assistance Center

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