C15B3 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C15B3 – Steering Control ECU Malfunction

 

C15B3 Possible Symptoms

 

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

 

C15B3 Possible Causes

 

Faulty Steering Control ECU,Steering Control ECU harness is open or shorted,Steering Control ECU circuit poor electrical connection

 

C15B3 Description

 

If the steering control ECU detects an internal malfunction, it will turn the master warning light on, store the Diagnostic Trouble Code (DTC), and stop the Variable Gear Ratio Steering (VGRS) operation.