Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the computer in your car has detected a problem with the electrical circuit that controls one of the ignition coils. It's like a switch that isn't working right, causing the car to have trouble starting or running smoothly.
The P2325 code indicates that the powertrain control module (PCM) has detected a high voltage condition in the primary control circuit of ignition coil 'I'.
The ignition coil is responsible for converting the battery's low voltage to the thousands of volts needed to create an electric spark in the spark plugs to ignite the air/fuel mixture. The primary control circuit is monitored by the PCM, and a high voltage condition could indicate an open circuit or a fault in the wiring or coil itself.
• Engine misfire
• Rough idle
• Check engine light on
• Faulty ignition coil
• Open or shorted wiring in the ignition coil circuit
• Faulty PCM
PCM: Powertrain Control Module, the computer that controls engine and transmission functions.
Ignition Coil: A component that converts battery voltage to a higher voltage needed to ignite the fuel-air mixture in the engine.
• Use an OBD-II scanner to confirm the code and check for other codes.
• Inspect the ignition coil and its wiring for visible damage.
• Test the ignition coil with a multimeter to check resistance.
• Replace the faulty ignition coil.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the PCM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools (screwdrivers, pliers)
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect ignition components.
• Keep electrical connections clean and secure.
• Follow recommended maintenance schedules.
Engine Performance
• If you experience rough idling or misfires, have your vehicle checked promptly.
• Avoid driving with a flashing check engine light to prevent further damage.
Check with your vehicle manufacturer for warranty coverage on ignition components.
This code has been commonly reported in vehicles with high mileage or those that have not had regular ignition system maintenance.
Moderate – While the vehicle may still operate, it can lead to more severe engine damage if ignored.
Driving with an engine misfire can lead to increased emissions and potential engine damage. Address this issue promptly to ensure vehicle safety and compliance with emission standards.
• Engine running
• Vehicle at operating temperature
The ignition coil is typically located on top of the engine, above the spark plugs.
Q: Can I drive my car with a P2325 code?
A: It's not recommended to drive for long periods with this code, as it can lead to further engine damage.
Q: How can I prevent ignition coil issues?
A: Regular maintenance and inspections can help catch issues early before they cause significant problems.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
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Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
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Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
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Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.