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C0245
System
Chassis (ABS / Stability)
Benötigter Scanner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Wheel Speed Sensor Frequency Error

Understand C0245, common causes, and the right TOPDON scanner to diagnose it.

Wheel speed sensor signal frequency out of expected range — often tone ring or sensor air gap.

Häufige Symptome

  • Intermittent ABS activation
  • ABS light
  • Speedometer fluctuation

Typische Ursachen

  • Incorrect sensor gap
  • Damaged exciter ring
  • Contaminated sensor tip
  • Wrong sensor installed

Welchen Scanner brauchen Sie?

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

Nutzen Sie Live-Daten und Freeze Frame, bevor Sie Teile tauschen. ABS-, SRS- und U-Codes erfordern meist einen Vollsystem-Scanner.

Diagnose-Tipps

  • Freeze Frame erfassen, wenn der Code erstmals gesetzt wird
  • Code erst nach Behebung der Ursache löschen
  • Auf verwandte pending codes prüfen
  • Batteriespannung über 12,4 V prüfen, bevor Sie Sensoren verdächtigen

Empfohlene TOPDON Scanner

Häufig gestellte Fragen

What does C0245 mean?
C0245 indicates wheel speed sensor frequency error. Wheel speed sensor signal frequency out of expected range — often tone ring or sensor air gap.
Can I diagnose C0245 with a basic code reader?
C0245 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 C0245?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with C0245?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.