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Home >> Subaru >> 2002 >> Forester L, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.5L >> Diagnostic Tests >> DTC P0604: Internal Control Module Memory Check Sum Error

DTC P0604: Internal Control Module Memory Check Sum Error

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Perform test procedure. See TESTING PROCEDURE . If DTC P0604 exists, replace ECM. Do not diagnose DTC P0604. Clear memory and perform verification procedure. See CLEARING DIAGNOSTIC TROUBLE CODES  and VERIFICATION PROCEDURE  .