OBD Guide

P2307

Ignition Coil C Primary Control Circuit High

P2307 is an OBD-II diagnostic trouble code meaning: Ignition Coil C Primary Control Circuit High. Common causes: faulty ignition coil, open or short circuit in the coil control circuit. Estimated repair cost: $17–56.

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

Symptoms

  • Misfire in a specific cylinder
  • Unstable engine idling
  • Loss of engine power
  • Increased fuel consumption
  • Check Engine Light on Dashboard

Causes

  • Faulty ignition coil
  • Open or short circuit in the coil control circuit
  • Poor contact in the ignition coil connector
  • Malfunction of the ignition module or ECU
  • Wiring harness damage

How to Fix

  1. Check the condition of the ignition coil connector
  2. Check the integrity of the wires in the control circuit
  3. Measure the resistance of the primary winding of the coil
  4. Replace the ignition coil if a fault is detected
  5. Check the ECU output signals at the coil connector

Related codes

Error P2307 by Vehicle Brand

FAQ

What does the P2307 code mean?

P2307 is an OBD-II diagnostic trouble code that indicates: Ignition Coil C Primary Control Circuit High

What causes a P2307 error code?

The most common causes of P2307 include: Faulty ignition coil; Open or short circuit in the coil control circuit; Poor contact in the ignition coil connector; Malfunction of the ignition module or ECU.

How do I fix a P2307 diagnostic trouble code?

To fix P2307: Check the condition of the ignition coil connector. Check the integrity of the wires in the control circuit. Measure the resistance of the primary winding of the coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2307?

Limited driving only, diagnose soon

How much does it cost to fix P2307?

The estimated repair cost for P2307 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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