No vehicle speed (CAN) signal given by ABS

My friends Peugeot 307 al4 automatic transmission, when the vehicle is cold, there is no trouble after it warms up and when I stop completely, I think that the gear shifts in the gear shifts and the problem of moving very hard in the first gear or just the error in the pp2000 automatic exclusion calculator There is no signal of the vehicle speed (CAN) given by anyone who has seen this error.

Does this Al4 transmission brain get the speed of the vehicle from the abs directly from the brain of the abs?

it receives a lot of information from the abs sensor and km sensor and accordingly the vehicle takes the necessary actions. in sockets etc. oxidation problem may exist. You can also write the malfunction code here.

They said that if I have gone, they can not do anything about this error.

In 307, the transmission of the transmission speed information from the sensor on which wheel is left, one on the right, the right on the wheel, whichever one, let's change the hub of that wheel and try