Error code

OBD2 U0124

OBD2U0124
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Lost Communication With Lateral Acceleration Sensor Module.

Severity

moderateCan be driven but the stability control system may not work properly.

Summary

Code U0124 indicates lost communication with the lateral acceleration sensor module. This sensor is crucial for electronic stability control systems and helps prevent skids or slides during emergency maneuvers.

Symptoms

  • Illuminated warning light
  • Deactivation of electronic stability control system

Common Causes

  • Shorted, burnt, damaged, or corroded wiring/connectors
  • Defective lateral acceleration sensor
  • Voltage spikes from incorrect jump starting procedures
  • Low battery voltages due to defective batteries

Diagnosis

  1. Record all fault codes and freeze frame data.
  2. Check for visible damage or issues with wiring/connectors related to the lateral acceleration sensor.
  3. Test electrical values in associated wiring according to the manual.
  4. Replace faulty components as identified by testing.

Fixes

  • Replace damaged wiring harness and/or defective lateral acceleration sensor

FAQ

Can I drive with this code?

Yes, but the stability control system may not work properly.

What causes U0124?

Common causes include damaged wiring/connectors and defective sensors or modules.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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