OBD Guide

P2323

Ignition Coil H Secondary Circuit

P2323 is an OBD-II diagnostic trouble code meaning: Ignition Coil H Secondary Circuit. Common causes: faulty ignition coil, damaged high voltage wires. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Misfire in cylinder H
  • Loss of engine power
  • Increased fuel consumption
  • Rough engine idling
  • Check Engine light comes on

Causes

  • Faulty ignition coil
  • Damaged high voltage wires
  • Poor contact in coil connectors
  • Faulty spark plug
  • Problems with the control signal from the ECU

How to Fix

  1. Check the condition of the ignition coil
  2. Inspect high voltage wires for damage
  3. Check the spark plug in cylinder H
  4. Check coil connections and connectors
  5. If necessary, replace the ignition coil

Related codes

Error P2323 by Vehicle Brand

FAQ

What does the P2323 code mean?

P2323 is an OBD-II diagnostic trouble code that indicates: Ignition Coil H Secondary Circuit

What causes a P2323 error code?

The most common causes of P2323 include: Faulty ignition coil; Damaged high voltage wires; Poor contact in coil connectors; Faulty spark plug.

How do I fix a P2323 diagnostic trouble code?

To fix P2323: Check the condition of the ignition coil. Inspect high voltage wires for damage. Check the spark plug in cylinder H. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2323?

Limited driving only, diagnose soon

How much does it cost to fix P2323?

The estimated repair cost for P2323 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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