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Home >> Toyota >> 2021 >> Sequoia TRD Pro >> 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 [08/2017 - ] >> Description
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DTC U0122: Lost Communication With Vehicle Dynamics Control Module [08/2017 - ]: 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 the vehicle speed is 40 km/h (25 mph) or more and the cruise control main switch (ON-OFF button) is on, signals cannot be received from the skid control ECU (brake actuator assembly) for 2.65 seconds or more.
  • CAN communication system
  • ECM
  • Skid control ECU (brake actuator assembly)