I have a 2009 ka that is not starting I have ran the codes and these are the errors that are coming up

U1705 receiver radio (NRR)
No node on B-CAN
Error counter 40

U1701 ENGINE CONTROL module can transmission
No node on C-CAN

U0426 MINICRYPT
Error counter 40

Has anyone had these codes and managed to sort them any help in what the mean thanks