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Home >> Subaru >> 2008 >> Forester XT, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0604 Internal Control Module Random Access Memory (Ram) Error >> Diagnostic Method

Diagnostic Method

Judge as NG when the criteria below are met and judge as OK when not met, and clear the NG.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Sum of RAM data after data clear Cannot be read.

Time Needed for Diagnosis:  Undetermined

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.

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