P0355 2018 Chevrolet Silverado Code - Ignition Coil 5 Control Circuit
Quick Answer
The P0355 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to an issue with the Ignition Coil 5 Control Circuit. Common causes include Faulty ignition coil, Wiring or connection issues in the ignition coil circuit, Faulty spark plugs or spark plug wires. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0355 2018 Chevrolet Silverado indicates Ignition Coil 5 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Wiring or connection issues in the ignition coil circuit, Faulty spark plugs or spark plug wires.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0355 2018 Chevrolet Silverado Description
The P0355 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado refers to an issue with the Ignition Coil 5 Control Circuit. This code indicates that there is a problem with the control circuit for the ignition coil connected to the fifth cylinder of the engine. The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs, which in turn ignites the air-fuel mixture in the combustion chamber. If the ignition coil control circuit is not functioning properly, it can lead to misfires, rough idling, and overall poor engine performance.
Common Causes of P0355 2018 Chevrolet Silverado
- Faulty ignition coil
- Wiring or connection issues in the ignition coil circuit
- Faulty spark plugs or spark plug wires
- Malfunctioning Engine Control Module (ECM)
- Environmental factors such as moisture or corrosion affecting the circuit
Symptoms of P0355 2018 Chevrolet Silverado
- Engine misfires or hesitation during acceleration
- Rough idling or stalling
- Decreased fuel efficiency
- Illumination of the Check Engine Light
- Loss of power while driving
How to Fix P0355 2018 Chevrolet Silverado
- Begin by diagnosing the specific cause of the issue using a scan tool to pinpoint the problem area.
- Inspect the wiring and connections related to the ignition coil 5 circuit for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the ignition coil for cylinder 5 to ensure it is functioning properly. Replace the ignition coil if it is found to be faulty.
- Check the spark plugs and spark plug wires for any signs of wear or damage. Replace if necessary.
- Clear the code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0355 2018 Chevrolet Silverado
The typical repair costs for addressing a P0355 code on a 2018 Chevrolet Silverado can vary depending on the specific cause of the issue. On average, the cost of replacing an ignition coil ranges from $100 to $250, while labor costs can range from $50 to $150 per hour. Additional costs may be incurred if other components such as spark plugs or wiring need to be replaced. It is advisable to consult with a trusted mechanic or auto repair shop to get an accurate estimate based on the specific circumstances of your vehicle.
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Frequently Asked Questions about P0355 2018 Chevrolet Silverado Code
What does the OBDII code P0355 mean for a 2018 Chevrolet Silverado?
Code P0355 indicates an issue with the control circuit for ignition coil 5, which may affect engine performance.
What are the common symptoms of code P0355 in a 2018 Chevrolet Silverado?
Symptoms may include engine misfires, rough idle, reduced engine power, and the check engine light turning on.
Can driving with code P0355 damage my 2018 Chevrolet Silverado?
Yes, prolonged driving with this code can cause engine damage due to misfires and unburnt fuel entering the catalytic converter.
What causes the P0355 code in a 2018 Chevrolet Silverado?
Common causes include a faulty ignition coil, damaged wiring or connectors, a bad spark plug, or a malfunctioning engine control module (ECM).
How can I diagnose code P0355 on a 2018 Chevrolet Silverado?
Use an OBDII scanner to confirm the code, then visually inspect ignition coil 5 and its wiring for damage or corrosion.
How do you fix code P0355 on a 2018 Chevrolet Silverado?
Repair options include replacing the ignition coil, repairing damaged wiring or connectors, and ensuring the ECM is functioning correctly.
How much does it cost to fix code P0355 on a 2018 Chevrolet Silverado?
The repair cost can range from $100 to $300, depending on whether the ignition coil or wiring needs replacement.
Can a bad spark plug cause code P0355 in a 2018 Chevrolet Silverado?
Yes, a worn or faulty spark plug can disrupt the ignition coil's operation and trigger this code.
Will resetting the check engine light clear code P0355 on my 2018 Chevrolet Silverado?
Resetting the light may temporarily clear the code, but the underlying issue must be fixed to prevent it from returning.
Should I replace all ignition coils if one is faulty and causing code P0355?
It’s not necessary to replace all coils unless they show signs of wear; replacing only ignition coil 5 is sufficient for this code.
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