C15C6 – IG Power Supply Voltage Malfunction

C15C6 Possible Symptoms

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

C15C6 Possible Causes

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

C15C6 Description

The Steering Control ECU monitors the IG power supply voltage. If the Steering Control ECU detects a malfunction, it will turn on the master warning light, store Diagnostic Trouble Code (DTC) C15C6, and stop Variable Gear Ratio Steering (VGRS) operation.