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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 856 (Retained Accessory Power System) >> Diagnostic Information and Procedures >> DTC B1478: Short To Battery Or Open In RAP Relay Control Feed Circuit >> Conditions for Running the DTC

Conditions for Running the DTC

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The BCM must not be commanding the RAP relay to energize after the RAP feature 10 minute time-out or after a door has been opened during the 10 minute time-out.