Zoeken
U0124
Systeem
Network (CAN Bus)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Lateral Accelerometer Module

Understand U0124, common causes, and the right TOPDON scanner to diagnose it.

Lateral G-sensor not communicating — ESC uses this with yaw rate.

Veelvoorkomende symptomen

  • Stability control disabled
  • Multiple chassis codes

Typische oorzaken

  • Failed sensor in SDM/suspension module
  • CAN fault
  • Low voltage

Welke scanner heb je nodig?

Full-system scanner (engine, ABS, SRS, transmission, service resets)

Gebruik live data en freeze frame voordat je onderdelen vervangt. ABS-, SRS- en U-codes vereisen meestal een full-system scanner.

Diagnosetips

  • Leg freeze frame vast wanneer de code voor het eerst verschijnt
  • Wis de code pas na het oplossen van de oorzaak
  • Controleer op gerelateerde pending codes
  • Controleer of accuspanning boven 12,4 V is voordat je sensoren suspecteert

Aanbevolen TOPDON scanners

Veelgestelde vragen

What does U0124 mean?
U0124 indicates lost communication with lateral accelerometer module. Lateral G-sensor not communicating — ESC uses this with yaw rate.
Can I diagnose U0124 with a basic code reader?
U0124 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Which TOPDON scanner do I need for U0124?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with U0124?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.