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Subaru
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2021
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Ascent Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostics) (2 Of 4)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P0604: Internal Control Module Random Access Memory (Ram) Error
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General Description
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General Driving Cycle
General Driving Cycle
Perform the diagnosis immediately after ignition switch ON.