DTC P0604 Internal Control Module Random Access Memory (Ram) Error
WARNING: This page is about a different car, the 2005 Subaru Outback and 2005 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION:
- Detect as soon as malfunction occurs.
- GENERAL DESCRIPTION < Ref. to DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR , Diagnostic Trouble Code (DTC) Detecting Criteria. >
TROUBLE SYMPTOM:
- Engine does not start.
- Engine stalls.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode < Ref. to
, OPERATION , Clear Memory Mode.> and Inspection Mode < Ref. to
, PROCEDURE , Inspection Mode.>.
WIRING DIAGRAM:
DTC P0604 DIAGNOSIS
| Step | Check | Yes | No |
|---|---|---|---|
| 1. CHECK FOR ANY OTHER DTC ON DISPLAY. | Is any other DTC displayed? | Check the relevant DTC using the List of Diagnostic Trouble Code (DTC). < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | A temporary poor contact occurs. |