Engine-CodesChevrolet – P0356 2015 Chevrolet Silverado

P0356 2015 Chevrolet Silverado Code - Ignition Coil 6 Control Circuit

Quick Answer

The diagnostic trouble code (DTC) P0356 for a 2015 Chevrolet Silverado specifically refers to the Ignition Coil 6 Control Circuit. Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil control circuit, Loose or poor electrical connections. 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
P0356 2015 Chevrolet Silverado indicates Ignition Coil 6 Control Circuit.
Common causes
Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil control circuit, Loose or poor electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P0356 2015 Chevrolet Silverado Description

The diagnostic trouble code (DTC) P0356 for a 2015 Chevrolet Silverado specifically refers to the Ignition Coil 6 Control Circuit. This code indicates that there is a malfunction in the control circuit for the ignition coil associated with cylinder 6. The ignition coil is a crucial component of the ignition system that converts the low voltage from the battery into the high voltage needed to ignite the air-fuel mixture in the engine cylinders. When the control circuit for this ignition coil is not functioning properly, it can lead to misfires, rough idling, decreased fuel efficiency, and overall poor engine performance.

OBDII Code P0356 2015 Chevrolet Silverado - Ignition Coil 6 Control Circuit
P0356 2015 Chevrolet Silverado Code - Ignition Coil 6 Control Circuit

Common Causes of P0356 2015 Chevrolet Silverado

  1. Faulty ignition coil
  2. Damaged or corroded wiring in the ignition coil control circuit
  3. Loose or poor electrical connections
  4. Issues with the engine control module (ECM) or powertrain control module (PCM)
  5. Environmental factors such as moisture or heat affecting the ignition coil circuit

Symptoms of P0356 2015 Chevrolet Silverado

  1. Check engine light illuminated
  2. Engine misfires or rough idling
  3. Decreased fuel efficiency
  4. Engine hesitation or lack of power
  5. Engine stalling or difficulty starting

How to Fix P0356 2015 Chevrolet Silverado

  1. Begin by diagnosing the specific cause of the P0356 code using a scan tool to pinpoint the issue with the ignition coil control circuit.
  2. Inspect the ignition coil, wiring, and connectors for any visible damage, corrosion, or loose connections. Replace or repair any faulty components as needed.
  3. Test the ignition coil using a multimeter to ensure it is functioning correctly and producing the required voltage.
  4. Clear the trouble code from the vehicle's ECM/PCM memory after completing the repairs and test driving the vehicle to verify that the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to identify any underlying issues with the ignition system or engine components.

Cost to Fix P0356 2015 Chevrolet Silverado

The typical repair costs for addressing a P0356 code on a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue and the extent of repairs needed. In general, replacing a faulty ignition coil can cost between $100 and $300, while addressing wiring or connector issues may range from $50 to $150. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair bill can add up to several hundred dollars, including parts and labor. It's advisable to consult with a qualified mechanic or dealership for a more accurate estimate based on the specific diagnosis and repair requirements for your vehicle.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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