P0355 2018 Chevrolet Silverado Code - Ignition Coil 5 Control Circuit
Quick Answer
The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 circuit poor electrical connection. 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 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 circuit poor electrical connection.
- 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.
Code P0355 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0355 2018 Chevrolet Silverado?
- Faulty Ignition Coil 5
- Ignition Coil 5 harness is open or shorted
- Ignition Coil 5 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0355 2018 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0355 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0355 2018 Chevrolet Silverado code?
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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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