1999 GMC GMT-400 Problems & Complaints
Real owner complaints and problems reported to the National Highway Traffic Safety Administration (NHTSA). View common issues by component.
VIN Decoder
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No Complaints Found
Great news! There are currently no owner complaints for the 1999 GMC GMT-400 in the NHTSA database.
Frequently Asked Questions
How many problems does the 1999 GMC GMT-400 have?
The 1999 GMC GMT-400 currently has 0 owner-reported complaints according to NHTSA database. These complaints are organized by component to help identify common issues.
What are the most common problems with 1999 GMC GMT-400?
The most common problems reported for the 1999 GMC GMT-400 are organized by component above. Each component section shows owner-reported issues, crash reports, and fire incidents to help identify patterns and problem areas.
Where does this 1999 GMC GMT-400 problem data come from?
All problem and complaint data for the 1999 GMC GMT-400 comes directly from the National Highway Traffic Safety Administration (NHTSA) database. These are real complaints submitted by actual vehicle owners.