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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 974 (Body Control System) >> Diagnostic Information and Procedures >> DTC B1004: Electronic Control Unit Identification Circuit >> Conditions for Running the DTC
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Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The module microprocessor must be active/awake.

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