P2317 OBD-II Trouble Code: Ignition Coil F Secondary Circuit

P2317 code definition

Ignition coil F secondary circuit

What the P2317 code means

This trouble code indicates that the powertrain control module has detected an abnormal reference voltage from the one of the engine’s ignition coils.

What are the causes of the P2317 code?

Some of the potential causes of this trouble code may include:

• The ignition coil may be malfunctioning
• There may be wiring or connector damage associated with the engine’s ignition system
• A failure of the powertrain control module

What are the symptoms of the P2317 code?

Some of the symptoms of this trouble code that the driver may experience would include:

• The engine may misfire
• The engine may hesitate or stumble during acceleration
• The transmission may not shift properly due to the misfire
• The Check Engine Light will likely be illuminated

How does a mechanic diagnose the P2317 code?

A mechanic may begin diagnosing this trouble code by first locating the ignition coil on the engine. The mechanic would then check the wiring and connectors associated with the ignition coil for damages. Then the ignition coil would be tested for proper function using the manufacturer’s recommended procedure. If no issues are found during this test, the powertrain control module would then be tested. After all diagnostic tests are performed, the mechanic would then relay his/her findings over to the customer to make an informed repair decision.

Common mistakes when diagnosing the P2317 code

A common mistake that could be made when diagnosing this trouble code is to replace the ignition coil without inspecting the wiring and connectors. Often times, rodents and other small animals can get under the hood of a vehicle and chew on wiring. It is very important that this gets checked before anything is replaced.

How serious is the P2317 code?

This trouble code would be considered serious because it can affect the way the vehicle runs. The overall performance of the vehicle will suffer with this code stored in the powertrain control module. It is a good idea to have this trouble code diagnosed and repaired as soon as possible to avoid any further engine damage.

What repairs can fix the P2317 code?

Repairs that can potentially resolve the issues caused by this trouble code would include:

• Replacing the ignition coil
• Repairing or replacing wiring or connectors that are associated with the ignition system
• Replacing the powertrain control module

Additional comments regarding the P2317 code

If this trouble code is stored in the vehicle’s powertrain control module for a long period of time, the catalytic converter may be damaged due to consistent misfiring of the engine. This can lead to more costly repairs than were originally necessary.

Need help with a P2317 code?

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