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U0106
System
Network (CAN Bus)
Benötigter Scanner
Full-system scanner (engine, ABS, SRS, transmission, service resets)

Lost Communication with Glow Plug Control Module

Understand U0106, common causes, and the right TOPDON scanner to diagnose it.

Glow plug controller offline on diesel engines.

Häufige Symptome

  • Hard cold start on diesel
  • Check engine light
  • Multiple U-codes

Typische Ursachen

  • Failed glow plug module
  • CAN wiring
  • Blown fuse
  • Low voltage

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 U0106 mean?
U0106 indicates lost communication with glow plug control module. Glow plug controller offline on diesel engines.
Can I diagnose U0106 with a basic code reader?
U0106 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 U0106?
Full-system scanner (engine, ABS, SRS, transmission, service resets) See recommended tools on this page.
Is it safe to drive with U0106?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.