Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- A short to ground on the RAP mode control circuit from the BCM will set DTC B1475.
- Short to voltage in the BCM RAP mode control circuit will cause the sunroof/SEO RAP relay to operate when the RAP feature is disabled.
- An open/high resistance in the BCM RAP mode control circuit will cause the sunroof and/or SEO RAP relay to not operate when the RAP feature is enabled.
- The fused battery feed circuit for the load side SEO RAP relay may be labeled as EAP fuse in the underhood fuse block.
- The SEO RAP relay is permanently soldered to the junction block-left I/P and is non-serviceable.