P0355 2016 GMC Sierra Code - Ignition Coil 5 Control Circuit
Quick Answer
The P0355 diagnostic trouble code (DTC) for a 2016 GMC Sierra specifically refers to the Ignition Coil 5 Control Circuit. Common causes include Faulty ignition coil for cylinder 5, Damaged or corroded wiring or connectors in the ignition coil control circuit, Issues with the ECM or other related control modules. 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 2016 GMC Sierra indicates Ignition Coil 5 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil for cylinder 5, Damaged or corroded wiring or connectors in the ignition coil control circuit, Issues with the ECM or other related control modules.
- 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 2016 GMC Sierra Description
The P0355 diagnostic trouble code (DTC) for a 2016 GMC Sierra specifically refers to the Ignition Coil 5 Control Circuit. This code indicates a problem with the electrical circuit that controls the ignition coil for cylinder 5 in 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 plug, which ignites the air-fuel mixture in the combustion chamber. When this circuit malfunctions, it can lead to misfires, poor engine performance, and potentially even engine damage if left unresolved.
Common Causes of P0355 2016 GMC Sierra
- Faulty ignition coil for cylinder 5
- Damaged or corroded wiring or connectors in the ignition coil control circuit
- Issues with the ECM or other related control modules
- Electrical short or open circuit in the ignition coil control circuit
- Poor electrical connection or ground issues
Symptoms of P0355 2016 GMC Sierra
- Check engine light illuminated on the dashboard
- Rough idling or engine misfires
- Decreased engine performance
- Hesitation or stumbling during acceleration
- Engine stalling
How to Fix P0355 2016 GMC Sierra
- Begin by diagnosing the specific cause of the P0355 code using a scan tool to pinpoint the issue.
- Inspect the wiring and connectors in the ignition coil control circuit for any damage or corrosion. Repair or replace as necessary.
- Test the ignition coil for cylinder 5 to ensure it is functioning properly. Replace if faulty.
- Check the ECM and related control modules for any faults or issues. Reset or replace as needed.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0355 2016 GMC Sierra
The typical repair costs for addressing a P0355 code in a 2016 GMC Sierra can vary depending on the specific cause of the issue. On average, the parts required for this repair, such as a new ignition coil or wiring components, can range from $50 to $200. Labor costs at an auto repair shop can add an additional $100 to $300 to the total bill. Keep in mind that these estimates are general and actual costs may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It's recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.
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