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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 353 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> DTC P0ABB, P0ABC, or P0ABD >> Diagnostic Fault Information

Diagnostic Fault Information

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.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Disconnect Lever High Voltage Fuse - P0A95*, P0ABC*, P1A20* - -
High Voltage Monitor Positive P1AE7 P0ABB - -
High Voltage Monitor Negative P1AE7 P0ABB - -
* DTC P0A95 and P0ABC will only set if the fuse opens while the ignition is OFF. If the fuse is already open when the ignition is turned from OFF to ON, the precharge test will fail, and DTC P1A20 will set.
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