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2012
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Impreza F4-2.0L DOHC
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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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C Code Charts
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C1421
C1421
DTC C1421 ECM CONTROL SYSTEM
DTC DETECTING CONDITION:
ECM malfunctioning
TROUBLE SYMPTOM:
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ABS does not operate.
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VDC does not operate.
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Hill start assist does not operate.