C127B Code: Meaning, Causes, and Symptoms | OBD2 Codes

C127B – ECU Hardware Performance

 

C127B Possible Symptoms

 

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

 

C127B 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

 

C127B Description

 

The Electronic Brake Control Module (EBCM) monitors itself. The EBCM sets the OBDII code when it detects an internal malfunction.