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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 347 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P0642, P0643, P0652, or P0653 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0642

5 Volt Reference 1 Circuit Low Voltage

DTC P0643

5 Volt Reference 1 Circuit High Voltage

DTC P0652

5 Volt Reference 2 Circuit Low Voltage

DTC P0653

5 Volt Reference 2 Circuit High Voltage

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