Thank you both for the replies😃
I've tried a little and I'm left with 3 errors. 00290, 00285 and 00283. Front left, front right, rear left. sporadic 003-mechanical failure. While doing live datalogging I can see that front sensors show the same (stable and consistent with speed). Rear left is unstable and jumps from 0 to same as front wheel. Rear right shows the double of front wheel (but is stable).
I think maybe rear left is somehow "loosing the signal" since it's jumping. But I really can't understand the double speed on the rear right. What can cause the wheel speed read out to become double?