Abs Indicator Lights Continuously With No Loss Of Serial Data

Using scan tool, monitor ABS. If ABS is commanding BFC to turn ABS indicator ON, see ANTI-LOCK BRAKE SYSTEM article in BRAKES section. If ABS is commanding ABS indicator OFF, go to next step.
Using scan tool, monitor BFC SPI serial data bus. If BFC is commanding ABS indicator ON, replace BFC. See REMOVAL & INSTALLATION . If BFC is commanding ABS indicator OFF, replace instrument cluster. See INSTRUMENT PANEL article.