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Home › Subaru › 2004 › Baja Base, Standard › Repair and Diagnosis › Engine Performance › System › Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) › Diagnostic Trouble Code (DTC) Detecting Criteria › DTC P0604: Internal Control Module Random Access Memory (Ram) Error › General Driving Cycle

General Driving Cycle

Perform the diagnosis only once immediately after the IG key is turned to ON.

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