There are 1 owner-reported electrical system complaints for the 2020 Genesis G80in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2020 Genesis G80. The contact stated that upon starting the vehicle, the check engine warning light was illuminated. The vehicle was taken to the dealer where it was diagnosed that rodents had chewed through the soy-based wire coating. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken back to the dealer who provided the same diagnostic and repaired the vehicle; however, the failure persisted. The vehicle was taken back to dealer where it was diagnosed that rodents had also chewed through the starter wiring. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 12,000.
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 26, 2026