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Home >> Toyota >> 2014 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Continuously Variable Transaxle - Diagnostic Codes (2 Of 3) (Model Code: ZRE172) >> Continuously Variable Transaxle System >> DTC U0124: Lost Communication with Lateral Acceleration Sensor Module [08/2014 - 08/2016] >> Description
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DTC U0124: Lost Communication with Lateral Acceleration Sensor Module [08/2014 - 08/2016]: Description

The ECM receives signals sent from the airbag ECU assembly (yaw rate and acceleration sensor) via CAN communication. 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 1. Diagnosis Condition 2. Malfunction Status 3. Malfunction Time 4. Other
  1. The ignition switch is ON.
  2. There is no communication between the ECM and airbag ECU assembly (yaw rate and acceleration sensor).
  3. 1.25 seconds
  4. 1-trip detection logic
  • CAN communication system
  • Airbag ECU assembly (yaw rate and acceleration sensor)
  • ECM
 Comes on DTC stored
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