HereFlow OF graph strange


I’m trying to install hereflow with Black Cube, I’ve followed this tuto (I’ve just used CAN2 to plug the sensor) right now I’m here
But when I try to do the step 7 I’ve strange value, here I’ve justed graph OF.flowX and OF.bodyX as you can see the red curve flowX is strange, isn’t it?

My bin :
3 01-01-1980 01-00-00.bin (160 KB)