OBD Guide

P2329

Ignition Coil J Secondary Circuit

P2329 is an OBD-II diagnostic trouble code meaning: Ignition Coil J Secondary Circuit. Common causes: faulty ignition coil, damaged high voltage wires. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Misfire in one of the cylinders
  • Loss of engine power
  • Increased fuel consumption
  • Rough engine idling
  • Check Engine light comes on

Causes

  • Faulty ignition coil
  • Damaged high voltage wires
  • Worn or dirty spark plug
  • Problems with the coil connector or wiring harness
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the condition of the spark plug in the corresponding cylinder
  2. Check the integrity of high-voltage wires
  3. Check the ignition coil connector and wiring harness
  4. Replace the ignition coil if necessary
  5. Check and reset error code after repair

Related codes

Error P2329 by Vehicle Brand

FAQ

What does the P2329 code mean?

P2329 is an OBD-II diagnostic trouble code that indicates: Ignition Coil J Secondary Circuit

What causes a P2329 error code?

The most common causes of P2329 include: Faulty ignition coil; Damaged high voltage wires; Worn or dirty spark plug; Problems with the coil connector or wiring harness.

How do I fix a P2329 diagnostic trouble code?

To fix P2329: Check the condition of the spark plug in the corresponding cylinder. Check the integrity of high-voltage wires. Check the ignition coil connector and wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2329?

Limited driving only, diagnose soon

How much does it cost to fix P2329?

The estimated repair cost for P2329 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat