Thread: P0605 code and what to do?

ok i believe this code is for pcm read only memory (rom) error. what can i do to fix it besides resetting it? i found somewhere that said symtoms are

ECM calculation function is malfunctioning.
- ECM memory system is malfunctioning.
- ECM self shut-off function is malfunctioning

causes care -

ECM harness power supply circuit is open or shorted
- ECM harness ground circuit is open or shorted
- ECM may be faulty

thanks