Description of functions

The master cylinder's pressure sensor is integrated into the brake actuator Assembly and connected to the skid control computer.

Fig 1: Master Cylinder's Pressure Sensor And Skid Control ECU - Circuit Diagram

Courtesy of SUBARU OF AMERICA, INC.

Diagnostic codes	DTC detecting conditions	Faulty part
C1246	Voltage of the sensor signal is outside the specified range. The offset value of the sensor signal is outside the specified range.	STOP fuse Stop light switch circuit Wiring harness and connector Brake actuator Assembly (master cylinder pressure sensor circuit) Skid control computer (brake actuator Assembly)