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Home >> Hummer >> 2007 >> H3 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Computer/Integrating Systems) >> Diagnostic Information and Procedures >> DTC B1004 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

The internal fault detection is handled inside the control module. No external circuits are involved.

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