0 Investigations Into H1 Defects

The H1 isn't part of any investigations. If there's a problem you think the National Highway Traffic Safety Administration should look into add your complaint here.

If enough consumers complain about the same problem with the same type of vehicle, the National Highway Traffic Safety Administration (NHTSA) may open an investigation. The Office of Defects Investigation (ODI) is the agency in charge of performing those investigations.

Hummer H1 Investigations

Every investigations can involve multiple model years, so we've taken each of the H1 years and ranked them by how many times they've been involved in a specific campaign. Want to see how the H1 stacks up? Sort investigations by model.

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