There are 1 owner-reported electrical system complaints for the 2001 GMC Envoyin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
VEHICLE STALLED OUT ON HIGHWAY AND DIED WITHOUT WARNING DUE TO A DEFECTIVE WIRE HARNESS. DEALER HAS INSPECTED VEHICLE AND WILL REPLACE WIRE HARNESS.*AK EVERTHING SHUT DOWN AND THE MESSAGE DISPLAYED ON THE CONSOLE TO CHECK BRAKE SYSTEM. DEALERSHIP INSTALLED WIRE HARNESS AND NEW PCM. *TT
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.
Data synced from NHTSA on Apr 25, 2026