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Home >> Chevrolet >> 2006 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.4L DOHC >> Diagnostic Information and Procedures >> DTC P1660 or P1661 >> DTC Descriptors

DTC Descriptors

DTC P1660: Malfunction Indicator Lamp (MIL) Control Circuit High Voltage
DTC P1661: Malfunction Indicator Lamp (MIL) Control Circuit Low Voltage

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