Export Body Control Module (XBCM) Data Display

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Battery Voltage: The scan tool displays the battery voltage input to the XBCM.
Rear Fog Lamp Relay Command: The scan tool displays ON/OFF. When the rear fog lamp switch is placed in the ON position and rear fog lamp relay activation is requested, the scan tool will display ON.
Rear Fog Lamp Switch: The scan tool displays Inactive/Active. When the rear fog lamp switch is placed in the ON position, the scan tool will display Active.
Trailer Left Bulb Out Signal: The scan tool displays counts. When the XBCM detects that a trailer is connected and that a left trailer bulb is inoperative, the scan tool will display 0 counts. When the XBCM detects that a trailer is connected and that a left trailer bulb is operative, the scan tool will display 255 counts.
Trailer Right Bulb Out Signal: The scan tool displays counts. When the XBCM detects that a trailer is connected and that a right trailer bulb is inoperative, the scan tool will display 0 counts. When the XBCM detects that a trailer is connected and that a right trailer bulb is operative, the scan tool will display 255 counts.
Trailer Detection Input: The scan tool displays ON/OFF. When a trailer is connected to the vehicle and a voltage signal is received through the trailer harness to the XBCM, the scan tool will display ON.
Trailer Fog Lamp Relay Command: The scan tool displays ON/OFF. When the rear fog lamp switch is placed in the ON position and trailer rear fog lamp relay activation is requested, the scan tool will display ON.