P1326 Code: Hyundai Sonata, Santa Fe, Tucson and Kia Optima
Error code P1326 is a warning sign of potential engine damage, primarily due to the excessive wear of connecting rod bearings. This condition is identified by the Knock Sensor Detection System (KSDS), which detects abnormal vibrations. The Malfunction Indicator Lamp (MIL) illuminates to alert the driver of the impending issue. Additionally, a Diagnostic Trouble Code