DTC U0122: Lost Communication With Vehicle Dynamics Control Module

DTC detecting condition: 

Detected when CAN data (vehicle speed signal) is not received from VDC Control Module.

Failure detection pattern: 

• "Primary" (high-priority diagnosis)

Warning light/indicator light: 

• Auto headlight beam leveler warning light -
• SRH warning light -
• ADB warning light -
• LED open circuit detection signal -