OBD Guide

P2300

Ignition Coil A Primary Control Circuit Low

P2300 is an OBD-II diagnostic trouble code meaning: Ignition Coil A Primary Control Circuit Low. Common causes: open or short circuit in the ignition coil wiring harness, faulty ignition coil. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Misfire in cylinder A
  • Reduced engine power
  • Increased fuel consumption
  • Rough engine idling
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in the ignition coil wiring harness
  • Faulty ignition coil
  • Problems with ignition coil connectors
  • Engine control unit (ECU) malfunction
  • Poor ground connection

How to Fix

  1. Check the integrity of the ignition coil wiring harness
  2. Check the ignition coil connectors for corrosion or damage.
  3. Replace ignition coil of cylinder A
  4. Check ground connections
  5. If necessary, diagnose the engine control unit

Related codes

Error P2300 by Vehicle Brand

FAQ

What does the P2300 code mean?

P2300 is an OBD-II diagnostic trouble code that indicates: Ignition Coil A Primary Control Circuit Low

What causes a P2300 error code?

The most common causes of P2300 include: Open or short circuit in the ignition coil wiring harness; Faulty ignition coil; Problems with ignition coil connectors; Engine control unit (ECU) malfunction.

How do I fix a P2300 diagnostic trouble code?

To fix P2300: Check the integrity of the ignition coil wiring harness. Check the ignition coil connectors for corrosion or damage.. Replace ignition coil of cylinder A. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2300?

Limited driving only, diagnose soon

How much does it cost to fix P2300?

The estimated repair cost for P2300 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat