Multiple Faults with a P0600 code

I own a 2011 RSS with 22k miles, runs perfect, no previous trouble. I have a check engine, with a VSS, ABS, DPS Fault with multiple lights on, and the tach randomly drops to zero, but the motor seems to be running fine. It also has a P0600 code. I tried replacing the battery, but it still is showing the Faults. Seems to show more faults at lower speeds, not sure if that means anything. Any help would be appreciated.

The P0600 code says the ECM needs to be updated or replaced.

Thanks for the reply, would that cause all the fault codes I am seeing?

Since the ECM stands for electronic control module it is possible that a problem with the ECM could cause the other faults.

I had the P0600 code, together with U0126, U1101,U1150 & U1160 last year, and after 5 months at the dealership, it turned out to be a faulty spark plug lead. My 2011 RSS SE5 started to stall when hot, and when started straight after, had an increased RPM. I would suggest to check the resistance of the leads.