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Pontiac
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2005
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Bonneville SE
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.8L - DTC P1660 To P2A01
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DTC Tests
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DTC P1660: Control Module Output D Circuit
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Conditions for Setting the DTC
Conditions for Setting the DTC
The ODM has detected a voltage greater than 33 volts.
or
Excessive current is detected on any circuit to the ODM.
The condition is present for 30 seconds.