GMC Sierra 2500 Investigations

The Sierra 2500 has been investigated 6 times. The 2002 model year has been involved in the most campaigns.

An investigation is opened by NHTSA when enough complaints or a petition is filed concerning a safety-related issue with a vehicle.

Investigations by Model Year

Clicking on a model year will bring you to CarComplaints.com which has a full list of documents from the NHTSA.