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2008
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Optra5 LT, Automatic
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Repair and Diagnosis
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Engine Performance
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Engine Controls And Fuel - 2.0L (Diesel)
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Diagnostic Information and Procedures
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DTC P1663
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Conditions for Setting the DTC
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P1663 01
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P1663 01
The ECM detects a short to voltage on the circuit that controls the lamp.