P1373: Ignition Coil - Cylinder 3 - Early Activation Fault

MediumPowertrainIgnition System

What does P1373 mean?

P1373 is a diagnostic trouble code indicating "Ignition Coil - Cylinder 3 - Early Activation Fault". This code relates to your vehicle's ignition system and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty ignition system 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?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code P1373 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P1372Ignition Coil - Cylinder 2 - Early Activation Fault
P1374Crankshaft Position (CKP)/Ignition Coil - Cylinder 4 - Early Activation Fault
P1371Ignition Coil - Cylinder 1 - Early Activation Fault
P1375Ignition Coil - Cylinder 5 - Early Activation Fault