For Shop Owners

B279A SCION - Deterrent System Communication

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Faulty Key
  • Faulty Transponder Key Electronic Control Unit (ECU)
  • Transponder Key Electronic Control Unit harness is open or shorted
  • Transponder Key Electronic Control Unit circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
What does this mean?