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Pontiac
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2005
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GTO Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 6.0L - DTC P0453 To DTC P2125
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DTC Tests
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DTC P0641: 5-Volt Reference 1 Circuit
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DTC Descriptor
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC Descriptor
The diagnostic procedure supports the following DTC:
DTC P0641 5-Volt Reference 1 Circuit