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Home › Subaru › 2021 › WRX Base › Repair and Diagnosis › External Pages › Different car › Section 72 (Engine Control System (Diagnostics) (2 Of 4)) › Diagnostic Procedure with Diagnostic Trouble Code (DTC) › DTC P0604: Internal Control Module Random Access Memory (Ram) Error › General description › General Driving Cycle

General Driving Cycle

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Perform the diagnosis immediately after ignition switch ON.

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