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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Body Control Modules) >> Diagnostic Tests >> DTC B1478: Retained Accessory Power (Rap) Circuit High >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2001 GMC Safari and 2001 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

If only history DTC B1478 is set, problem may be intermittent. Try to recreate fault by wiggling wiring and connectors while performing test.

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