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P1686 – No SKIM Bus Message Received

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Symptoms

  • No start
  • Security warning

Causes

  • Wiring issue
  • SKIM failure
  • ECU fault

Diagnosis

  • Inspect wiring
  • Scan SKIM module
  • Check ECU

Repair

  • Repair wiring
  • Replace SKIM module
  • Repair ECU
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