C1661 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1661 – 4WAS Front Lock Solenoid Valve

 

C1661 Possible Symptoms

 

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

 

C1661 Possible Causes

 

Faulty 4WAS Front Control Unit,Faulty 4WAS Front Lock Solenoid Valve,4WAS Front Lock Solenoid Valve harness is open or shorted,4WAS Front Lock Solenoid Valve circuit poor electrical connection

 

C1661 Description

 

The 4 Wheel Active Steer (4WAS) Front Lock Solenoid Valve is activated in the active test (lock release). The secured 4WAS front actuator is released. 4WAS Front Control Unit controls 4WAS front actuator. 4WAS front actuator releases the lock when the engine speed signal is ON. 4WAS front actuator applies the lock when the engine speed signal is OFF.