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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 611 (Retained Accessory Power System) >> Diagnostic Information and Procedures >> DTC B1478: Short To Battery In RAP Relay Control Circuit >> Conditions for Running the DTC

Conditions for Running the DTC

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The BCM must be commanding the RAP relay to energize.

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