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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 B1477: Retained Accessory Power (Rap) Circuit Low >> Code Enable Criteria

Code Enable Criteria

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.

Following condition must be met in order for DTC B1477 to set; DTC will set when there is no voltage on Black wire at BCM connector C1 (Brown) terminal A7 with RAP relay commanded off. System voltage must be between 9.0-16.0 volts. Conditions must be met for 0.5 seconds.

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