Hyundai TSB #21-01-066H
2011 Hyundai Sonata
Affected Component: ENGINE AND ENGINE COOLING
- Applicable vehicles with 2.0L T-GDI and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit Abnormal Noise or No Crank/No Start condition. Follow the procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results.