P0605 - Internal Control Module Read Only Memory (ROM) Error

DTC DESCRIPTION P0605 - INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR

Description:	The PCM ROM has been corrupted.
Possible Causes:	An attempt was made to change the calibration Module programming error Aftermarket performance products Damaged PCM
Diagnostic Aids:	Reprogram the vehicle identification (VID) block. Check for other DTCs or drive symptoms for further action. Check for aftermarket performance products. If it is necessary to install a new PCM, refer to Flash Electrically Erasable Programmable Read Only Memory (EEPROM), Programming the (VID) Block for a Replacement PCM.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test QA.