2021 Genesis GV80 Problems: 2 Issues Every Owner Should Know
2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated May 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Genesis GV80 has 2 documented known issues. No issues are rated critical, indicating generally reliable ownership. Across all issues, repair costs range from $400 to $2,000. DIY maintenance guides at au7o.io.
All 2 Known Issues
On the 2021-2023 Genesis GV80 3.0L Diesel I6, diesel GV80 models experience NOx aftertreatment system issues, including SCR catalyst efficiency codes and DEF quality warnings. The NOx sensor can give false readings, triggering regeneration cycles and reduced power modes.
Common Symptoms
- DEF quality warning message
- Reduced engine power mode
- Frequent DPF regeneration cycles
- Check engine light with NOx codes
How to Fix
Replace the NOx sensor and clear adaptation values. Use only manufacturer-approved DEF fluid. Update the ECU calibration for improved NOx system management. Avoid short trips that prevent the DPF from completing regeneration.
On the 2021-2026 Genesis GV80, the GV80 infotainment system experiences periodic software glitches, including the 3D navigation display freezing, wireless phone charging overheating phones, and Genesis Connected Services failing to communicate with the vehicle.
Common Symptoms
- 3D navigation display freezing
- Phone overheating on wireless charger
- Connected Services app not connecting
- Split screen mode glitching
How to Fix
Update to the latest infotainment and Connected Services software. Disable wireless charging if phone overheating occurs and use a wired connection. Factory reset the head unit for persistent glitches.