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Fault Code U0106

Code meaning, symptoms, possible causes, part number, and estimated cost.

U0106

Lost Communication With Glow Plug Control Module

Severity: Medium

Code U0106 indicates a loss of communication between the Engine Control Module (ECM) or other control units and the Glow Plug Control Module, common in diesel engines.

Part Details

Part Name

Glow Plug Control Module

Reference P/N (OEM)

N/A

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪700 - ₪2500

Engine Location

Engine compartment

Symptoms

  • Hard cold start (especially in diesel)
  • White smoke from engine on startup
  • Longer glow plug wait time
  • Check Engine or Glow Plug light illuminated

Possible Causes

  • 1Damaged wiring or loose connector
  • 2Defective Glow Plug Control Module
  • 3CAN bus communication fault
  • 4Blown fuse or faulty relay

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