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Home >> Hummer >> 2007 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.0L - DTC P0455 To DTC U0107 >> DTC P0641 >> DTC Descriptor

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DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0641 5-Volt Reference 1 Circuit

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