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P0720
System
Powertrain (Transmission)
Benötigter Scanner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Output Speed Sensor Circuit

Understand P0720, common causes, and the right TOPDON scanner to diagnose it.

Output shaft speed sensor fault. Often causes erratic shifting and may store P0700 as parent code.

Häufige Symptome

  • Flare on shifts
  • ABS light (shared sensor on some cars)
  • Limp mode

Typische Ursachen

  • Failed OSS sensor
  • Wiring damage
  • Metal debris on sensor tip

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 P0720 mean?
P0720 indicates output speed sensor circuit. Output shaft speed sensor fault. Often causes erratic shifting and may store P0700 as parent code.
Can I diagnose P0720 with a basic code reader?
P0720 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 P0720?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with P0720?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.