DTC U0122: Lost Communication With Vehicle Dynamics Control Module

DTC detecting condition: 

When no data was received from VDC for 1 second.

Trouble symptom: 

• After shifting the select lever from R to any positions other than R, reverse-linked recovery operation may start immediately even while the vehicle is stopped.
• After shifting the select lever from R to any positions other than R, reverse-linked recovery operation may not start immediately after the vehicle is started to drive.
  NOTE: Perform the diagnosis for LAN system and VDCCM. Refer to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE . Refer to BRAKE CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .