C1620 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1620 – Active Yaw Control Control System

 

C1620 Possible Symptoms

 

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

 

C1620 Possible Causes

 

Active Yaw Control (AYC) Differential gear oil failure (low oil level, oil contamination),Faulty Active Yaw Control (AYC) Differential

 

C1620 Description

 

If the abnormal noise form Active Yaw Control (AYC) Differential is heard during corning under the system operation, AYC differential may have a problem.