Sök
U0124
System
Network (CAN Bus)
Scanner som krävs
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.

Vanliga symptom

  • Stability control disabled
  • Multiple chassis codes

Typiska orsaker

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

Vilken scanner behöver du?

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

Använd live-data och freeze frame innan du byter delar. ABS-, SRS- och U-koder kräver oftast en fullsystems-scanner.

Diagnostiktips

  • Spara freeze frame när koden först sätts
  • Rensa koden först efter att orsaken är åtgärdad
  • Kontrollera relaterade väntande koder
  • Verifiera batterispänning över 12,4 V innan du misstänker sensorer

Rekommenderade TOPDON-scannrar

Vanliga frågor

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.