C1246 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1246 – Master Cylinder Pressure Sensor Malfunction

 

C1246 Possible Symptoms

 

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

 

C1246 Possible Causes

 

Faulty Skid Control ECU or Brake Actuator,Skid Control ECU or Brake Actuator harness is open or shorted,Skid Control ECU or Brake Actuator circuit poor electrical connection

 

C1246 Description

 

The Master Cylinder Pressure Sensor and the Wheel Cylinder Pressure Sensor are built into the Brake Actuator. The Skid Control ECU or Brake Actuator monitors the Wheel Cylinder Pressure Sensor. The Skid Control ECU sets the OBDII code when the Wheel Cylinder Pressure Sensor is not to factory specifications.