OBD Guide

P2311

Ignition Coil D Secondary Circuit

P2311 is an OBD-II diagnostic trouble code meaning: Ignition Coil D Secondary Circuit. Common causes: faulty ignition coil, damaged high voltage wire (if present). Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Misfire in cylinder D
  • Loss of engine power
  • Rough idling
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Faulty ignition coil
  • Damaged high voltage wire (if present)
  • Worn or dirty spark plug
  • Open or short circuit in the circuit
  • Poor contact in coil connector

How to Fix

  1. Check the condition of the spark plug in cylinder D
  2. Inspect the high-voltage wire for damage (if any)
  3. Check the resistance of the ignition coil
  4. Check the integrity of wiring and connectors
  5. Replace faulty components

Related codes

Error P2311 by Vehicle Brand

FAQ

What does the P2311 code mean?

P2311 is an OBD-II diagnostic trouble code that indicates: Ignition Coil D Secondary Circuit

What causes a P2311 error code?

The most common causes of P2311 include: Faulty ignition coil; Damaged high voltage wire (if present); Worn or dirty spark plug; Open or short circuit in the circuit.

How do I fix a P2311 diagnostic trouble code?

To fix P2311: Check the condition of the spark plug in cylinder D. Inspect the high-voltage wire for damage (if any). Check the resistance of the ignition coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2311?

Yes, but get it checked soon

How much does it cost to fix P2311?

The estimated repair cost for P2311 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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