L322 Problems with the ds2 bus (k-bus), I cannot change configurations and load them, there is no communication with the blocks.

Hi all.
I encountered such a problem that it became necessary to enable pulse-width modulation in the configurations in order to get rid of the viscous coupling and install an electric fan for cooling, then after changing the configurations in the SDD through the engineering menu, it was not saved and eventually produced errors for the blocks that are interconnected by the ds2 bus (k-bus), I'm stuck here. The blocks that are indicated in the screenshot are without connection. Tell me, has anyone encountered this problem? I will be grateful for any help.
Range Rover l322, 2007, 4.4 petrol

I had this and slow load times, it was a bad cable, luckily since im known for having stuff missing or broken i ordered 2 at the same time

Bad cable

The 2nd cable everything worked

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