OBD Guide

U0124

Lost Communication With Lateral Acceleration Sensor Module

Severity: HIGH

Symptoms

  • Check Engine Light Is On
  • Disabling the stabilization system (ESP)
  • Error message on the dashboard
  • Incorrect operation of the airbag system
  • Problems with the stability control system

Causes

  • Malfunction of the lateral acceleration sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring Harness Problems
  • ECU malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors for corrosion or damage
  3. Check the power supply and ground of the sensor
  4. Test the lateral acceleration sensor
  5. Repair only from an authorized dealer

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