Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with one of the car's ignition coils, which help the engine start. It's like when a flashlight doesn't work because the battery connection is loose.
The engine control module (ECM) has detected an open circuit or a problem in the primary control circuit of the ignition coil labeled 'L'.
The P0362 code is triggered when the ECM detects an open or short circuit in the ignition coil 'L' primary control circuit. This circuit is responsible for controlling the ignition coil's operation, which is crucial for spark generation in the engine's combustion process.
• Check Engine Light is on
• Engine misfire
• Poor engine performance
• Faulty ignition coil
• Open or shorted ignition coil harness
• Poor electrical connection in the ignition coil circuit
ECM: Engine Control Module
Ignition Coil: A component that transforms the battery's voltage to a higher voltage to create a spark in the engine.
• Use an OBD-II scanner to verify the code.
• Inspect the ignition coil and its wiring for damage or disconnection.
• Test the ignition coil with a multimeter for proper resistance.
• Replace the faulty ignition coil.
• Repair or replace damaged wiring or connectors.
• Clear the code and test drive the vehicle to ensure the issue is resolved.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect ignition system components.
• Ensure all electrical connections are secure.
• Use high-quality replacement parts.
Engine Performance
• Do not ignore the Check Engine Light.
• Have a professional diagnose the issue if unsure.
• Regular maintenance can prevent such issues.
Check with the vehicle manufacturer for warranty coverage on ignition components.
Ignition coil issues have been common in vehicles with high mileage or poor maintenance.
Moderate – Ignoring this issue can lead to further engine damage.
Driving with an engine misfire can be unsafe and cause further damage to the vehicle.
• Engine at operating temperature
• Vehicle stationary
The ignition coil is located on top of the engine, connected to the spark plugs.
Q: Can I drive with a P0362 code?
A: It's not recommended as it can lead to engine damage and unsafe driving conditions.
Q: How can I prevent ignition coil issues?
A: Regular maintenance and using quality parts can help prevent these issues.
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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.