What can cause the knock sensor 3 circuit to trigger on on 2010 Lexus LX570

When the ignition is on and engine is running there is this VSC indicator light and 4.0 L blinks, the diagnostic code it gives is p032D

Asked by for the 2010 Lexus LX570
Warranty maybe?
1 more answer
should be covered under 7yr 70k emission warranty thru dealer