C0140 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0140 – ABS CAN Communication Malfunction

 

C0140 Possible Symptoms

 

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

 

C0140 Possible Causes

 

Faulty ABS Control Module,ABS Control Module harness is open or shorted,ABS Control Module circuit poor electrical connection

 

C0140 Description

 

The Engine Control Module (ECM) monitors the ABS Control Module. The ECM sets the OBDII code when communication with the ABS Control Module fails.