If vibration occurs when driving at constant speed or when acceleration in high range, the cause is probably an abnormal torque converter pressure, or a malfunction of the engine system, damper clutch solenoid valve, valve body or torque converter.

• Malfunction of damper clutch solenoid valve

• Malfunction of engine system

• Abnormal torque converter pressure

• Malfunction of valve body

• Malfunction of torque converter

• Malfunction of the engine-A/T-ECU