U1106: SCP (J1850) Invalid or Missing Data for Legislated Diagnostics

LowNetwork/CommunicationNetwork Communication

What does U1106 mean?

U1106 is a diagnostic trouble code indicating "SCP (J1850) Invalid or Missing Data for Legislated Diagnostics". This code relates to your vehicle's network communication and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty network communication component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

This is a minor or informational code. Monitor for any changes in vehicle behaviour and address it during your next scheduled service visit.

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Code U1106 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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