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Home >> Lexus >> 2013 >> LS 460 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System (Diagnostic Codes & Circuit Tests) >> Cruise Control System >> DTC U0122: Lost Communication with Vehicle Dynamics Control Module >> Description

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

The vehicle speed signal is sent to the skid control ECU, which then sends it to the ECM.

DTC Code DTC Detection Condition Trouble Area
U0122 While engine switch is on (IG), communication stop between skid control ECU and ECM continues for 1 second or more
  • Skid control ECU
  • CAN communication system
  • ECM