July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Set Conditions

This diagnostic trouble code is set if any malfunction below is detected.

When the brake fluid pressure is decreased for a long time.
When the brake fluid pressure is held for a long time.
NOTE: ABS controls the vehicle based on the wheel speed signal. When the brake fluid pressure is decreased or held for an abnormally long time, the wheel speed sensor signal may have a problem.