0 Investigations Into H1 Defects

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.

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.

Hummer H1 Investigations

A investigation can involve multiple model years, so we've ranked each of the H1 years and sorted them by how many times they've been involved in a specific campaign.

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