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Cadillac
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2005
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XLR
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls (DTC P0134 To P0345)
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DTC P0231
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Conditions for Setting the DTC
Conditions for Setting the DTC
The fuel pump control module detects an open or a high resistance between the fuel pump control module and the fuel pump.
The above condition is present for more than 2 seconds.