U0231
System
Network (CAN Bus)
Wymagany skaner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Rain Sensor Module

Understand U0231, common causes, and the right TOPDON scanner to diagnose it.

Rain sensor module offline — auto wipers and sometimes lighting affected.

Typowe objawy

  • Auto wipers inop
  • Headlight auto mode affected

Typowe przyczyny

  • Failed rain sensor on windshield
  • CAN wiring
  • Aftermarket windshield without sensor

Jakiego skanera potrzebujesz?

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

Użyj danych na żywo i freeze frame przed wymianą części. Kody ABS, SRS i U zwykle wymagają skanera full-system.

Wskazówki diagnostyczne

  • Zapisz freeze frame, gdy pojawi się kod
  • Kasuj kod dopiero po usunięciu przyczyny
  • Sprawdź powiązane kody pending
  • Sprawdź, czy napięcie akumulatora jest powyżej 12,4 V przed podejrzeniem czujników

Polecane skanery TOPDON

Często zadawane pytania

What does U0231 mean?
U0231 indicates lost communication with rain sensor module. Rain sensor module offline — auto wipers and sometimes lighting affected.
Can I diagnose U0231 with a basic code reader?
U0231 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 U0231?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with U0231?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.