There are 3 stored owner reports matching the powertrain & transmission leading-label group for the 2000 GMC Envoy 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 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)WHILE TRAVELING 35 MPH ON THE HIGHWAY AND WITHOUT PRIOR WARNING 4-WHEEL DRIVE WILL AUTOMATICALLY GO INTO EFFECT. *AK
CONSUMER HAD TO HAVE THE TRANSMISSION IN THE 2000 GMC ENVOY REBUILT.*MR THE SUN GEAR FAILED WHICH REQUIRED THAT THE ENTIRE TRANSMISSION BE DISASSEMBLED TO REPAIR. *NM
TRANSMISSION SLIPS WHEN GOING INTO A HIGHER GEAR, MANUFACTURER HAS ATTEMPTED TO REPAIR ON 5 SEPARATE OCCASIONS WITHOUT SUCCESS, VEHICLE SHUDDERS, HESITATES, SURGES, AND BUCKS. IGNITION SWITCH FAILED. *SLC
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.