Hyundai TSB #20-01-004H-1
2018 Hyundai Sonata
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- Applicable vehicles with 2.0L Turbo and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326. Follow the procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results.