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Home >> Lexus >> 2016 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Cruise Control System (2GR-FSE,4GR-FSE) - Diagnostic Codes & Circuit Tests >> CRUISE CONTROL SYSTEM (for 2GR-FSE, 4GR-FSE) >> DTC U0122: Lost Communication with Vehicle Dynamics Control Module [04/2013 - 10/2016] >> Description
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DTC U0122: Lost Communication with Vehicle Dynamics Control Module [04/2013 - 10/2016]: Description

The ECM receives signals from the skid control ECU (brake actuator assembly) via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0122 Lost Communication with Vehicle Dynamics Control Module While vehicle speed is 40 km/h (25 mph) or more and cruise switch (ON/OFF button) is on, data cannot be received from skid control ECU (brake actuator assembly) for 2.5 seconds or more.
  • CAN communication system
  • ECM
  • Skid control ECU (brake actuator assembly)