Error code

OBD2 P0359

OBD2P0359
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Ignition Coil 'I' Primary/Secondary Circuit.

Severity

moderateCan drive, but misfires may cause engine performance issues and potential damage.

Summary

P0359 indicates an issue with the ignition coil control circuit for cylinder #9 on engines with at least 10 cylinders.

Symptoms

  • Illuminated check engine light
  • Ignition misfire

Common Causes

  • Faulty ignition coil
  • Problem in the ignition coil circuit
  • Problem with the PCM

Diagnosis

  1. Visually inspect the coil pack and its connector for broken wires or corrosion.
  2. Swap coil packs between cylinders to identify faulty coils.
  3. Test the coil resistance with a digital multimeter.
  4. Check if the coil is receiving power using a test light or multimeter.
  5. Test the PCM control circuit continuity.

Fixes

  • Replace the faulty ignition coil

FAQ

What does P0359 mean?

P0359 indicates a malfunction in the primary/secondary circuit of the ignition coil for cylinder #9.

How do I diagnose P0359?

Diagnose by visually inspecting, swapping coils, testing resistance, checking power supply, and testing PCM control circuit continuity.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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