OBD Guide

P2315

Ignition Coil F Primary Control Circuit Low

P2315 is an OBD-II diagnostic trouble code meaning: Ignition Coil F Primary Control Circuit Low. Common causes: ignition coil malfunction, open or short circuit in wiring. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Misfire in cylinder F
  • Unstable engine operation
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Ignition coil malfunction
  • Open or short circuit in wiring
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction
  • Control circuit power problems

How to Fix

  1. Check the condition of the ignition coil
  2. Inspect the wiring harness and connectors for damage.
  3. Check control circuit voltage
  4. Replace the faulty ignition coil if necessary
  5. Check and, if necessary, replace the engine control unit

Related codes

Error P2315 by Vehicle Brand

FAQ

What does the P2315 code mean?

P2315 is an OBD-II diagnostic trouble code that indicates: Ignition Coil F Primary Control Circuit Low

What causes a P2315 error code?

The most common causes of P2315 include: Ignition coil malfunction; Open or short circuit in wiring; Poor contact in connectors; Engine control unit (ECU) malfunction.

How do I fix a P2315 diagnostic trouble code?

To fix P2315: Check the condition of the ignition coil. Inspect the wiring harness and connectors for damage.. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2315?

Limited driving only, diagnose soon

How much does it cost to fix P2315?

The estimated repair cost for P2315 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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