OBD Guide

P0359

Ignition Coil I Primary Control Circuit/Open

P0359 is an OBD-II diagnostic trouble code meaning: Ignition Coil I Primary Control Circuit/Open. Common causes: open or short circuit in the ignition coil wiring harness, ignition coil malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Misfire in cylinder I
  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in the ignition coil wiring harness
  • Ignition coil malfunction
  • Problems with the engine control unit (ECU)
  • Poor contact in the ignition coil connectors
  • Corroded or damaged wires

How to Fix

  1. Check the integrity of the ignition coil wiring harness
  2. Check the resistance of the primary winding of the ignition coil
  3. Inspect the ignition coil connectors for damage or corrosion.
  4. Check the voltage on the ignition coil with the ignition on
  5. If necessary, replace the ignition coil or wiring harness
  6. Reset the error and check if it returns

Related codes

Error P0359 by Vehicle Brand

FAQ

What does the P0359 code mean?

P0359 is an OBD-II diagnostic trouble code that indicates: Ignition Coil I Primary Control Circuit/Open

What causes a P0359 error code?

The most common causes of P0359 include: Open or short circuit in the ignition coil wiring harness; Ignition coil malfunction; Problems with the engine control unit (ECU); Poor contact in the ignition coil connectors.

How do I fix a P0359 diagnostic trouble code?

To fix P0359: Check the integrity of the ignition coil wiring harness. Check the resistance of the primary winding of the ignition coil. Inspect the ignition coil connectors for damage or corrosion.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0359?

Limited driving only, diagnose soon

How much does it cost to fix P0359?

The estimated repair cost for P0359 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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