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

Fig 1: Internal Control Module Random Access Memory (RAM) Error - Wiring Diagram

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DIAGNOSIS PROCEDURE

Step	Check	Yes	No
1 CHECK ANY OTHER DTC ON DISPLAY.	Is any other DTC displayed?	Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". <Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >	Temporary poor contact occurs.