P0355 2015 Chevrolet Silverado Code - Ignition Coil 5 Control Circuit
Quick Answer
The OBD-II trouble code P0355 for a 2015 Chevrolet Silverado indicates a problem with the ignition coil 5 control circuit. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Issues with the Engine Control Module (ECM). 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 2015 Chevrolet Silverado indicates Ignition Coil 5 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Issues with the Engine Control Module (ECM).
- 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 2015 Chevrolet Silverado Description
The OBD-II trouble code P0355 for a 2015 Chevrolet Silverado indicates a problem with the ignition coil 5 control circuit. The ignition coil is a crucial component in the vehicle's ignition system responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel-air mixture in the engine's combustion chambers. In this case, the control circuit for ignition coil 5 is not functioning as it should, potentially leading to misfires, rough idling, and overall poor engine performance.
Common Causes of P0355 2015 Chevrolet Silverado
- Faulty ignition coil
- Damaged wiring or connectors in the ignition coil circuit
- Issues with the Engine Control Module (ECM)
- Carbon buildup on spark plugs
- Overheating of the ignition coil
Symptoms of P0355 2015 Chevrolet Silverado
- Engine misfires
- Rough idling
- Hesitation during acceleration
- Decreased fuel efficiency
- Stalling
How to Fix P0355 2015 Chevrolet Silverado
- Begin by diagnosing the specific cause of the issue using a scan tool to confirm the P0355 trouble code and identify any related codes.
- Inspect the ignition coil 5, wiring, and connectors for any visible damage or wear. Replace any damaged components.
- Test the ignition coil using an ohmmeter to check for proper resistance and continuity. Replace the ignition coil if necessary.
- Clear the trouble codes from the ECM memory and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostic testing may be needed to identify any underlying issues with the ECM or other components.
Cost to Fix P0355 2015 Chevrolet Silverado
The typical repair costs for resolving the P0355 code on a 2015 Chevrolet Silverado can range from $150 to $300, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more accurate estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.
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Frequently Asked Questions about P0355 2015 Chevrolet Silverado Code
1. What does the OBDII code P0355 mean on a 2015 Chevrolet Silverado?
P0355 indicates a malfunction in the ignition coil "5" control circuit, which may affect the engine's performance.
2. What are the symptoms of code P0355 in a 2015 Chevrolet Silverado?
Common symptoms include rough idling, misfires, reduced fuel efficiency, hesitation during acceleration, and an illuminated check engine light.
3. What causes the P0355 code on a 2015 Chevrolet Silverado?
The code can be caused by a faulty ignition coil, damaged wiring or connectors in the coil circuit, a bad spark plug, or a malfunctioning PCM (Powertrain Control Module).
4. Can I drive my 2015 Chevrolet Silverado with the P0355 code?
While the vehicle may still be drivable, continuing to drive with this code can cause further damage, such as catalytic converter failure, and should be addressed promptly.
5. How do I diagnose the P0355 code on my 2015 Chevrolet Silverado?
Start by inspecting the wiring and connectors for the ignition coil on cylinder 5. Then, test the coil itself for proper function and continuity, and check for PCM-related issues if needed.
6. How can I fix the P0355 code on a 2015 Chevrolet Silverado?
Repairs may include replacing the ignition coil, repairing damaged wiring or connectors, replacing the spark plug, or reprogramming/replacing the PCM if necessary.
7. How do I locate ignition coil 5 on a 2015 Chevrolet Silverado?
Ignition coil 5 is typically on the fifth cylinder, which is on the driver’s side, second cylinder from the front in the firing order.
8. How much does it cost to repair the P0355 code on a 2015 Chevrolet Silverado?
The cost depends on the issue, but replacing an ignition coil typically costs $50–$150 for the part, plus labor, while wiring repairs or PCM replacements can vary widely.
9. Could a bad spark plug cause the P0355 code on a 2015 Chevrolet Silverado?
Yes, a faulty spark plug in cylinder 5 can cause issues that trigger the P0355 code, as it may affect the ignition coil's performance.
10. Can a failing PCM cause the P0355 code on a 2015 Chevrolet Silverado?
Yes, though less common, a malfunctioning PCM can fail to properly control the ignition coil circuit for cylinder 5, leading to the P0355 code.
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