U0103

U0103 OBD Code Definition:
U0103 Lost Communication With Gear Shift Module
U0103 OBD Code Description:

Possible Causes

  • Communication Failure with Gear Selector Module (J587)
  • Communication Failure between CAN-Gateway and Transmission Control Module
  • Selector Lever (E313) faulty
  • Tiptronic Buttons (F189) in Selector Lever (E313) faulty
  • Shift Selector Locking Solenoid (N110) faulty

Possible Solutions

  • Check Communication with Gear Selector Module (J587)
  • Check CAN-Gateway Communication with Transmission Control Module
    • Check Measuring Value Block (MVB) in CAN-Gateway
  • Check Selector Lever (E313)
    • Check Measuring Value Block (MVB) in Transmission Control Module
    • Perform Electrical Check per Wiring Diagram
  • Check Tiptronic Buttons (F189) in Selector Lever (E313)
    • Check Measuring Value Block (MVB) in Transmission Control Module
  • Check Shift Selector Locking Solenoid (N110)
    • Check Measuring Value Block (MVB) in Transmission Control Module

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