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2006
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Swift +
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - 1.6L (L91) - DTC P0420 To DTC P2076
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DTC P1391, P1392, or P1393
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Conditions for Setting the DTC
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P1392
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Conditions for Setting the DTC: P1392
The ECM detects that the rough road sensor voltage is less than 0.1 volt.