Circuit/System Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
The electronic brake control module receives serial data messages from other modules. The electronic brake control module must be configured with the vehicle identification number (VIN), configuration data and vehicle options. If not properly configured after installation, the electronic brake control module may set this DTC.
The internal fault detection is handled inside the control module. No external circuits are involved.