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Hummer
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2008
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H2 4D Utility Wagon
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Repair and Diagnosis
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External Pages
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Different car
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Section 497 (Hybrid/EV Energy Storage System)
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Diagnostic Information and Procedures
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DTC P0AC0, P0AC1, P0AC2, or P1A07
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Diagnostic Fault Information
Diagnostic Fault Information
WARNING:
This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
5 V Reference
P1A07
P0AC1
P1A07
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Signal
P0AC1
P0AC2
P0AC2, P1A07
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Low Reference
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P0AC2
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