Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This means that the car's computer has detected a problem with the electrical circuit that controls one of the ignition coils. Think of it like a broken wire that stops a spark plug from firing properly.
The engine control module (ECM) monitors the ignition coil primary control circuit. If it detects a voltage level that is too high, it triggers the P2316 code.
P2316 indicates that the ECM has found an unusually high voltage in the primary control circuit of ignition coil F. This could be due to a wiring issue, a faulty ignition coil, or a problem with the ECM itself.
• Check Engine Light is on
• Engine misfires
• Rough engine idle
• Reduced engine performance
• Faulty ignition coil F
• Open or shorted wiring in the ignition coil circuit
• Poor electrical connection in the ignition coil circuit
• Faulty ECM
ECM: Engine Control Module, the computer that controls engine functions.
Ignition Coil: A component that converts battery voltage into a high voltage spark to ignite the air/fuel mixture in the engine.
• Use an OBD-II scanner to confirm the presence of code P2316.
• Inspect the wiring and connectors for ignition coil F for damage or corrosion.
• Test the ignition coil F for proper operation.
• Check the ECM for faults.
• Replace the faulty ignition coil F.
• Repair or replace damaged wiring or connectors.
• Ensure all electrical connections are secure.
• Replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Dodge Ram
• Regularly inspect ignition system components.
• Ensure all electrical connections are secure.
• Replace ignition coils and spark plugs as part of routine maintenance.
Ignition System Issue
• Do not ignore the Check Engine Light.
• Have the vehicle diagnosed by a professional if unsure.
• Avoid driving the vehicle if engine performance is significantly reduced.
Check with your vehicle manufacturer for specific warranty coverage related to the ignition system.
This code has been associated with ignition system issues in various vehicles, often due to aging components or wiring problems.
Moderate – While the vehicle may still be drivable, ignoring this issue can lead to more severe engine problems.
Driving with a misfiring engine can cause damage to the catalytic converter and increase emissions.
• Engine must be running.
• The vehicle should be at operating temperature.
The ignition coil is typically located on or near the engine's cylinder head.
Q: Can I drive my car with a P2316 code?
A: It's not recommended to drive with this code as it can lead to further engine damage.
Q: Is a P2316 code expensive to fix?
A: Repair costs can vary, but typically range from $150 to $400 depending on the exact issue.
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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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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.