P2327 OBD-II Trouble Code: Ignition Coil J Primary Control Circuit Low

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Cost of diagnosing the P2327 code

P2327 is a diagnostic trouble code (DTC) for "Ignition Coil J Primary Control Circuit Low". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
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Toyota$20.00
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P2327 code definition

Ignition Coil J Primary Control Circuit Low

What the P2327 code means

This trouble code indicates that the powertrain control module has detected a malfunction within the ignition coil circuit that is associated with it.

What are the causes of the P2327 code?

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

  • A faulty ignition coil

  • Damaged wiring or connectors that are associated with the ignition coil to powertrain control module circuit.

  • A faulty powertrain control module.

The ignition coil going bad is by far the most common cause of this particular trouble code.

What are the symptoms of the P2327 code?

Symptoms that the driver may experience with this trouble code stored may include:

  • The engine may misfire
  • The engine may hesitate or stumble upon acceleration
  • The vehicle may not start at all (if all cylinders are using the same ignition coil)
  • The Check Engine Light will likely be illuminated

How does a mechanic diagnose the P2327 code?

A mechanic may diagnose this trouble code by starting with the ignition coil(s). The mechanic would test all ignition coils using the manufacturer’s recommended procedure. After any and all ignition coils have been tested, the mechanic would check for wiring issues from the ignition coil to the powertrain control module. This would include any frays, cracks, breaks, or corrosion that may exist within the circuit. Finally, the mechanic would test the powertrain control module with a high tech scan tool in order to ensure it is functioning properly. After all tests have been carried out, the mechanic would relay all information he/she found with the customer to make an informed repair decision.

Common mistakes when diagnosing the P2327 code

A common mistake when diagnosing this trouble code would be to try any ignition coil testing with the engine running. This is a novice mistake but can still happen. Ensure that the engine is off during ignition coil and powertrain control module testing to avoid personal injury from shock or potential damage to your vehicle.

How serious is the P2327 code?

This code would be considered serious because it can cause major drivability issues. This code being stored in your vehicle’s powertrain control module can cause it to have a really hard time getting around. It will be hard to obtain speed particularly when going up hills. It would be a good choice to have this issue diagnosed and repaired at the earliest possible opportunity.

What repairs can fix the P2327 code?

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

Additional comments regarding the P2327 code

Ensure that all tests are performed by a professional when diagnosing this trouble code. This can completely prevent the risk of injury all together since high voltage electricity is involved as well as expensive computer testing. This will also help to get the quickest and most accurate diagnosis possible.

Need help with a P2327 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230

trouble codes
P2327
Check Engine Light

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