Karibou Modular Wheel Steering is "floppy" and unstable about mks HOT 2 CLOSED

MODULE
	{
		name = ModuleWheelSuspension
		baseModuleIndex = 0
		suspensionTransformName = suspensionPivot
		maximumLoad = 40.0	
		suspensionDistance = 0.125
		targetPosition = 0.5
		springRatio = 7
		damperRatio = 1.0
	}
	MODULE
	{
		name = ModuleWheelSteering
		baseModuleIndex = 0	
		caliperTransformName = SteeringPivot		
		autoSteeringAdjust = true
		steeringResponse = 1.5
		
		steeringRange = 35
		
		steeringCurve
		{
			key = 0 20
			key = 20 20
		}
		steeringMaxAngleCurve
		{
			key = 0 1 0 0
			key = 3 1 0.0001624425 0.0001624425
			key = 7.5 0.33 -0.05674612 -0.05674612
			key = 20 0.12 -0.003158088 -0.003158088
			key = 30 0.1 -0.002872917 -0.002872917
		}
	}