Action Taken
WARNING: This page is about a different car, the 1995 Oldsmobile Ninety-Eight and 1995 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.
When Code P1573 is set, PCM will not be able to communicate with EBTCM. This will cause EBTCM to set ABS DTC 76, disable traction control, and illuminate TRACTION OFF indicator. P1573 does not illuminate Malfunction Indicator Light (MIL).