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Home >> Toyota >> 2021 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle System (K313) - Diagnostic Codes & Circuit Tests >> Continuously Variable Transaxle System >> DTC U0124: Lost Communication with Lateral Acceleration Sensor Module [01/2019 - 11/2022] >> Description
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DTC U0124: Lost Communication with Lateral Acceleration Sensor Module [01/2019 - 11/2022]: Description

The ECM receives signals sent from the yaw rate and acceleration sensor (airbag sensor assembly) via the CAN communication system. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding ECU or sensor.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
U0124 Lost Communication with Lateral Acceleration Sensor Module No communication between the ECM and yaw rate and acceleration sensor (airbag sensor assembly) for 0.72 seconds or more (1-trip logic)
  • CAN communication system
  • Airbag sensor assembly (yaw rate and acceleration sensor)
  • ECM
Does not come on DTC stored