DTC P0604: Internal Control Module Random Access Memory (Ram) Error

DTC DETECTING CONDITION:

Immediately at fault recognition
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 . > and Inspection Mode < Ref. to , PROCEDURE Inspection Mode. >.

WIRING DIAGRAM:

Fig 1: DTC P0604 Internal Control Module - Wiring Diagram And Connector Terminal

Courtesy of SUBARU OF AMERICA, INC.

DIAGNOSTIC PROCEDURE DTC P0604

Step	Check	Yes	No
1 CHECK 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.