P0358 2017 Chevrolet Silverado Code - Ignition Coil 8 Control Circuit
Quick Answer
The P0358 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Ignition Coil 8 Control Circuit. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Corrosion or loose connections in the electrical system. 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
- P0358 2017 Chevrolet Silverado indicates Ignition Coil 8 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Corrosion or loose connections in the electrical system.
- 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 P0358 2017 Chevrolet Silverado Description
The P0358 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Ignition Coil 8 Control Circuit. This code indicates a problem with the electrical circuit that controls the ignition coil for cylinder 8. 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, igniting the air-fuel mixture in the combustion chamber. When the control circuit for this ignition coil malfunctions, it can lead to misfires, poor engine performance, and potentially even engine damage if left unaddressed.
Common Causes of P0358 2017 Chevrolet Silverado
- Faulty ignition coil
- Damaged wiring or connectors in the ignition coil circuit
- Corrosion or loose connections in the electrical system
- Issues with the Engine Control Module (ECM) or Powertrain Control Module (PCM)
- Environmental factors such as moisture or heat affecting the ignition coil
Symptoms of P0358 2017 Chevrolet Silverado
- Engine misfires or rough idling
- Reduced engine power
- Difficulty starting the vehicle
- Poor fuel efficiency
- Illumination of the check engine light
How to Fix P0358 2017 Chevrolet Silverado
- Begin by diagnosing the specific cause of the issue using a diagnostic scanner to pinpoint the problem within the ignition coil control circuit.
- Inspect the ignition coil for any signs of damage or wear and replace it if necessary.
- Check the wiring and connectors in the ignition coil circuit for any breaks, corrosion, or loose connections, repairing or replacing them as needed.
- Test the ECM or PCM to ensure it is functioning correctly, replacing it if it is the source of the problem.
- Clear the DTC from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0358 2017 Chevrolet Silverado
The cost of repairing the Ignition Coil 8 Control Circuit issue can vary depending on the specific cause of the problem. In general, replacing an ignition coil can cost between $100 and $300, while addressing wiring or connector issues may range from $50 to $150. Labor costs can add an additional $80 to $150 per hour, with the total repair cost potentially amounting to several hundred dollars. As mentioned earlier, it's advisable to check with local auto repair shops for more accurate pricing based on your location and vehicle specifics.
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Frequently Asked Questions about P0358 2017 Chevrolet Silverado Code
What does the OBDII code P0358 mean on a 2017 Chevrolet Silverado?
P0358 indicates an issue with the Ignition Coil 8 Control Circuit, meaning the PCM (Powertrain Control Module) has detected a malfunction in the ignition coil circuit for cylinder 8.
What are the symptoms of code P0358 on a 2017 Chevrolet Silverado?
Common symptoms include a misfire in cylinder 8, rough idling, reduced engine performance, poor fuel economy, and possibly an illuminated Check Engine Light.
What causes the P0358 code on a 2017 Chevrolet Silverado?
Potential causes include a faulty ignition coil for cylinder 8, damaged coil wiring or connectors, a malfunctioning PCM, or corroded/loose electrical connections in the ignition circuit.
Can I drive my 2017 Chevrolet Silverado with the P0358 code?
Driving with a P0358 code is not recommended, as it can lead to further engine damage, increased emissions, and reduced performance due to cylinder 8 misfiring.
How do I diagnose the P0358 code on a 2017 Chevrolet Silverado?
Begin by checking the ignition coil on cylinder 8 for damage, inspect the wiring and connectors for corrosion or breaks, and use a multimeter to test the coil’s resistance and voltage supply.
How do I fix the P0358 code on a 2017 Chevrolet Silverado?
Repairs may include replacing the ignition coil for cylinder 8, repairing or replacing damaged wiring or connectors, or, in rare cases, reprogramming or replacing the PCM.
How much does it cost to repair the P0358 code on a 2017 Chevrolet Silverado?
Repair costs vary but typically range from $50 to $150 for a replacement ignition coil, plus labor if performed by a professional, which may add $100-$200.
Can a bad spark plug cause the P0358 code?
While a bad spark plug can cause misfires, the P0358 code specifically refers to an issue in the ignition coil circuit, so the focus should be on the coil and its related components.
Will clearing the P0358 code fix the issue on my 2017 Chevrolet Silverado?
Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue must be addressed to prevent the code from returning.
How do I prevent the P0358 code from occurring again?
Regular maintenance, such as inspecting ignition components, ensuring wiring connections are secure, and replacing worn parts, can help prevent the P0358 code from reoccurring.
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