C1940 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1940 – Front Yaw Rate Sensor


C1940 Possible Symptoms


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


C1940 Possible Causes


Faulty Front Active Stabilizer Control ECU,Front Active Stabilizer Control ECU harness is open or shorted,Front Active Stabilizer Control ECU circuit poor electrical connection


C1940 Description


The Active Stabilizer Suspension System uses CAN communication to gather information necessary for control functions. When a malfunction occurs in another system, the Diagnostic Trouble Code (DTC) is stored.