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P0744
System
Powertrain (Transmission)
Benötigter Scanner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Torque Converter Clutch Circuit Intermittent

Understand P0744, common causes, and the right TOPDON scanner to diagnose it.

Intermittent TCC solenoid circuit.

Häufige Symptome

  • Intermittent shudder at cruise
  • Random trans codes

Typische Ursachen

  • Intermittent solenoid failure
  • Loose trans connector
  • Wire fatigue in internal harness

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 P0744 mean?
P0744 indicates torque converter clutch circuit intermittent. Intermittent TCC solenoid circuit.
Can I diagnose P0744 with a basic code reader?
P0744 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 P0744?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with P0744?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.