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Forester Base
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Repair and Diagnosis (Single Page)
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Automatic Transaxle System (Diagnostics)
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Diagnostic Procedure With Diagnostic Trouble Code (DTC)
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DTC U0420: Invalid Data Received From Power Steering Control Module
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Outline Of Diagnosis
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Outline Of Diagnosis
Detect malfunction of CAN communication.
Judge as NG when data received from the electric power steering control module is not normal.