U0122 Lost Communication With Vehicle Dynamics Control Module: DTC Detecting Condition

DTC U0122 DETECTING CONDITION REFERENCE

Item	Detecting Condition	Possible Cause
DTC Strategy	Check the communication	Short or Open in CAN communication circuit Faulty in ECU
Enable Conditions	TCM communication is normal with ESP 10.2V < Battery voltage < 15.5V No fail in system
Threshold Value	Detecting abnormal information.
Diagnostic Time	More than 0.5sec
Fail Safe	No self learning control Wheel speed sensor = Output speed sensor