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Subaru
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2011
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Forester F4-2.5L DOHC Turbo
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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U Code Charts
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U0402
U0402
DTC U0402 CAN (TCU) DATA ABNORMAL
NOTE:
For the diagnostic procedure, refer to Information Bus.
Information Bus