I got the parameter B1 example from duet3d.dozuki. It might be a worth to change the B1 parameter to B0 in the toubleshooting doku for BL-Touch.
Modify your M558 and G31. The BLTouch behaviour is controlled by the M558 and G31 commands in config.g. Here is what an ideal set of commands should look like. M558 P9 F100 H5 R0.2 T6000 A5 B1 This sets probe type 9 for BLTouch, 100mm/min probe speed, 5mm dive height, 0.2 second pause time before probe move, 100mm/s travel moves between probe points, probe up to 5 times , or until 2 consecutive probe results match, and disable heaters during a probe move to limit interference. G31 P25 X10 Y10 Z2 Sets the trigger sensitivity to 25, the X Y and Z values should be measured to match your setup.