C0138 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0138 – Base Brake System Pressure Circuit/Sensor Low


C0138 Possible Symptoms


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


C0138 Possible Causes


Faulty Electronic Brake Control Module (EBCM),Electronic Brake Control Module (EBCM) harness is open or shorted,Electronic Brake Control Module (EBCM) circuit poor electrical connection


C0138 Description


The Electronic Brake Control Module (EBCM) uses an input from 2 brake fluid pressure sensors to enhance ABS braking and vehicle stability if equipped.