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P1382 – Ignition Coil Thermal Protection Activated

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Symptoms

  • Misfire
  • Engine hesitation
  • Reduced power

Causes

  • Overheated coil
  • High load operation
  • ECU protection event

Diagnosis

  • Check coil temperature
  • Read ECU data
  • Inspect wiring

Repair

  • Replace coil
  • Repair wiring
  • Address overheating cause
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