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P2317 OBD2: Ignition Coil "F" Secondary Circuit

P2317 OBD2: Ignition Coil “F” Secondary Circuit

OBD-II Code P2317 is a diagnostic trouble code that indicates a malfunction in the ignition coil “F” secondary circuit. This code is critical as it points to issues that affect the ignition system’s performance, which can have significant implications for the engine’s operation.

What Does the P2317 Code Mean?

The P2317 code signifies that the Engine Control Module (PCM) has detected a problem with the secondary circuit of the ignition coil “F”. This can lead to misfires, decreased engine performance, and compromised fuel efficiency.

What Causes the P2317 Code?

Several factors can trigger the P2317 code, including:

  • Ignition coil failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues that affect the ignition coil circuit

What Are the Symptoms of the P2317 Code?

The common symptoms associated with the P2317 code include:

  • Decreased engine performance
  • Increased fuel consumption
  • Engine misfires

How Serious Is the P2317 Code?

The P2317 code is classified as urgent. It indicates that immediate action is necessary to prevent severe damage to the vehicle or potential harm to the driver and passengers. Ignoring this code could lead to more extensive repairs down the line.

How to Diagnose the P2317 Code

Diagnosing the P2317 code involves a systematic approach, including:

  1. Using an OBD-II scanner to confirm the P2317 code.
  2. Inspecting the ignition coils and associated wiring for visible damage.
  3. Testing the ignition coils’ resistance and performance.
  4. Checking the PCM functionality and verifying it can accurately control the ignition coil.

Common Repairs for the P2317 Code

Common repairs to resolve the P2317 code may include:

  • Replacing the faulty ignition coil
  • Repairing or replacing damaged wiring
  • Replacing a defective Powertrain Control Module (PCM)

How Much Does It Cost to Fix the P2317 Code?

The cost to fix the P2317 code can vary widely depending on the underlying issue. On average, you can expect to pay anywhere from $100 to $500, depending on whether you need to replace an ignition coil, repair wiring, or replace the PCM.

Can I Fix the P2317 Code Myself?

While some aspects of diagnosing and repairing the P2317 code can be done yourself, such as visually inspecting the ignition coils and wiring, it is recommended to seek professional help for a complete and accurate diagnosis. Proper tools and expertise are often necessary to address the underlying issues effectively.

About JC Landry

JC spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.

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