There are 1 stored owner reports matching the powertrain & transmission leading-label group for the 2004 GMC Savana in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)THE VEHICLE IS OUT OF WARRANTY. HOWEVER, IT ONLY HAS 63K PLUS MILES ON THE ODOMETER. THE TRANSMISSION SUDDENLY BECAME ERRATIC. IT WOULD NOT SHIFT TO "D", BUT THE SECOND AND THE FIRST GEAR WORKS FINE. WE WERE TOLD BY GMC CUSTOMER SERVICE TO HAVE IT INSPECTED AND HAVE IT DIAGNOSED BY A GMC DEALER TO FIND OUT THE EXACT CAUSE OF THE PROBLEM. THE RESULTS INDICATED NO PROBLEMS WERE DETECTED OR NO CODES WERE SHOWING UP ON THEIR COMPUTER, GMC THEN TOLD US THAT IT NEEDS A NEW TRANSMISSION. WE COULD NOT AFFORD A NEWLY REBUILT TRANSMISSION.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.