DTC U0122: Lost Communication with Vehicle Dynamics Control Module: Procedure

CHECK CAN COMMUNICATION SYSTEM
1. Select "Bus Check" from the "System Select". Refer to DIAGNOSIS SYSTEM [09/2012 - ]
2. Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter". Refer to DIAGNOSIS SYSTEM [09/2012 - ]
  OK
  
  CAN communication system DTC is not output.
NG → See step 3

OK → See step 2
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2012 - ]
GO TO CAN COMMUNICATION SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2012 - ]