Zoeken
U0123
Systeem
Network (CAN Bus)
Scanner vereist
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Yaw Rate Sensor Module

Understand U0123, common causes, and the right TOPDON scanner to diagnose it.

Yaw rate sensor module offline — stability control cannot measure vehicle rotation.

Veelvoorkomende symptomen

  • ESC light on
  • C0462 may accompany

Typische oorzaken

  • Failed yaw sensor (often in airbag module)
  • CAN wiring
  • Sensor not calibrated after replacement

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 U0123 mean?
U0123 indicates lost communication with yaw rate sensor module. Yaw rate sensor module offline — stability control cannot measure vehicle rotation.
Can I diagnose U0123 with a basic code reader?
U0123 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 U0123?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with U0123?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.