OBD Guide

P2326

Ignition Coil I Secondary Circuit

P2326 is an OBD-II diagnostic trouble code meaning: Ignition Coil I Secondary Circuit. Common causes: faulty ignition coil, damaged or worn high voltage wires. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–89 (est.)

Symptoms

  • Misfires
  • Check Engine Light Illuminates
  • Reduced engine power
  • Unstable engine idling
  • Jerks when accelerating

Causes

  • Faulty ignition coil
  • Damaged or worn high voltage wires
  • Poor contact in the ignition coil connectors
  • Open or short circuit in the secondary circuit of the ignition coil
  • Spark plug fault

How to Fix

  1. Check and replace spark plugs
  2. Check high voltage wires for damage and replace them if necessary
  3. Check the ignition coil for damage and resistance
  4. Check the ignition coil connectors and wiring for opens or shorts.
  5. Replace the faulty ignition coil

Related codes

Error P2326 by Vehicle Brand

FAQ

What does the P2326 code mean?

P2326 is an OBD-II diagnostic trouble code that indicates: Ignition Coil I Secondary Circuit

What causes a P2326 error code?

The most common causes of P2326 include: Faulty ignition coil; Damaged or worn high voltage wires; Poor contact in the ignition coil connectors; Open or short circuit in the secondary circuit of the ignition coil.

How do I fix a P2326 diagnostic trouble code?

To fix P2326: Check and replace spark plugs. Check high voltage wires for damage and replace them if necessary. Check the ignition coil for damage and resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2326?

Do not drive — repair immediately

How much does it cost to fix P2326?

The estimated repair cost for P2326 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat