U0124 – BMW DTC

BMW DTC U0124 – Lost Communication With Lateral Acceleration Sensor Module

DTC U0124 meaning on BMW

DTC U0124 on a BMW indicates a communication error with the Lateral Acceleration Sensor Module. This fault code is triggered when the vehicle’s control module is unable to establish communication with the sensor module, leading to potential issues with the vehicle’s stability control system.

BMW DTC U0124 symptoms

Symptoms of DTC U0124 on a BMW may include:

  • ABS or stability control warning lights illuminated on the dashboard
  • Loss of stability control functionality
  • Unexpected behavior in the vehicle’s handling

BMW DTC U0124 causes

The common causes of DTC U0124 on a BMW include:

  • Faulty lateral acceleration sensor module
  • Wiring or connection issues between the sensor module and the control module
  • Defective control module

BMW DTC U0124 seriousness

The seriousness of DTC U0124 on a BMW lies in the potential compromise of the vehicle’s stability control system. Ignoring this fault code can lead to unsafe driving conditions and reduced stability when maneuvering the vehicle, especially during sudden or evasive maneuvers.

How to diagnose DTC U0124 on BMW

To diagnose DTC U0124 on a BMW, follow these steps:

  1. Use a diagnostic scanner to retrieve the fault code and associated data
  2. Inspect the wiring and connections related to the lateral acceleration sensor module
  3. Check the sensor module for any signs of damage or malfunction
  4. Perform a communication test between the sensor module and the control module

How to fix DTC U0124 on BMW

To fix DTC U0124 on a BMW, consider the following actions:

  1. Replace the faulty lateral acceleration sensor module if necessary
  2. Repair any damaged wiring or connections associated with the sensor module
  3. Reset the control module and clear the fault code
  4. Perform a test drive to ensure the issue has been resolved

How to erase DTC U0124 on BMW

To erase DTC U0124 on a BMW, use a diagnostic scanner to clear the fault code from the vehicle’s control module memory. Ensure that the underlying issue causing the fault code has been addressed before clearing it to prevent its reoccurrence.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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