Mike's Workshop Manuals
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Subaru
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2021
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Crosstrek Base, Standard Trans
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Repair and Diagnosis
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Transmission
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Transfer Case
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AWD Control System (Diagnostics)
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Diagnostic Procedure With Diagnostic Trouble Code (DTC)
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DTC P1F08: Internal Control Module Read Only Memory (ROM) Error
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General Description
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Outline Of Diagnosis
Outline Of Diagnosis
Detect malfunction of the microcomputer ROM area.
Judge as NG when the SUM value of the ROM area is outside the standard value.