DTC U0122-00: F-CAN Malfunction (EPS Control Unit-VSA Modulator-Control Unit)

Confirmation Procedure	Basic Condition: 12 volt battery voltage 10 - 16 V IG voltage continued more than 10 V for at least 1 second Operating Condition: Turn the vehicle to the ON mode. Turn the vehicle to the OFF (LOCK) mode. Turn the vehicle to the ON mode.
Execution	Initial Diagnosis/Regular Diagnosis
Duration	Within 10 seconds
DTC Type	1 drive cycle EPS indicator on
Fail Safe Action	Continue EPS function/assist (Limited assist)
Possible Cause	F-CAN lines failure CAN gateway internal failure* 1 VSA modulator-control unit internal failure EPS motor/control unit internal failure

*1: With CAN gateway