Xhorse VVDI PROG read MC68HC908JK1, then program says “Try Frequency failed Chip unconnected(00)”.
Here Xhorsevvdi shows the possible
1.Check connection by the diagram
3.Adjust VCC to 4.5-5.0v and read again
4.If the error remains, it means that the chip is encrypted and VVDI PROG don’t support it.