C15C7 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C15C7 – DC Motor Power Source Voltage Malfunction

 

C15C7 Possible Symptoms

 

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

 

C15C7 Possible Causes

 

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

 

C15C7 Description

 

The Steering Control ECU monitors PIG (motor power source voltage) and detects a malfunction in the power supply relay (located inside the steering control ECU). If the Steering Control ECU detects a malfunction, it will turn on the master warning light, store the Diagnostic Trouble Code (DTC), and stop Variable Gear Ratio Steering (VGRS) operation.