DTC Detecting Condition:
WARNING: This page is about a different car, the 2004 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
- Immediately at fault recognition
- GENERAL DESCRIPTION < Ref. to DTC P0604 -- INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR , Diagnostic Trouble Code (DTC) Detecting Criteria.>