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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 P0AFF >> Diagnostic Aids

Diagnostic Aids

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.

The accessory DC power control module is protected from reverse polarity connections by a 200-amp in-line mega-fuse. The output current of the accessory DC power control module is lower than the fuse rating.