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Forester Wilderness
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Repair and Diagnosis
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Section 3 (Automatic Transaxle System (Diagnostics))
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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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Execution Condition
Execution Condition
WARNING:
This page is about a different car, the 2023 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
Secondary parameters
Execution condition
12 V battery system voltage
9 V or more