P0358 2015 GMC Sierra Code - Ignition Coil 8 Control Circuit
Quick Answer
The P0358 diagnostic trouble code (DTC) for a 2015 GMC Sierra refers to a malfunction in the ignition coil 8 control circuit. Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil circuit, Defective 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
- P0358 2015 GMC Sierra indicates Ignition Coil 8 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil circuit, Defective 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0358 2015 GMC Sierra Description
The P0358 diagnostic trouble code (DTC) for a 2015 GMC Sierra refers to a malfunction in the ignition coil 8 control circuit. In modern vehicles, the ignition coil plays a crucial role in the ignition system, converting low voltage from the battery into the high voltage needed to ignite the air-fuel mixture in the engine cylinders. Ignition coil 8 specifically refers to the coil responsible for providing spark to the eighth cylinder in the engine.
Common Causes of P0358 2015 GMC Sierra
- Faulty ignition coil
- Damaged or corroded wiring in the ignition coil circuit
- Defective engine control module (ECM)
- Poor electrical connection
- Environmental factors such as moisture or heat affecting the ignition system
Symptoms of P0358 2015 GMC Sierra
- Engine misfires
- Rough idling or running
- Difficulty starting the engine
- Engine stalling
- Decreased fuel efficiency
How to Fix P0358 2015 GMC Sierra
- Diagnose the issue using a scan tool to confirm the P0358 code and pinpoint the exact cause.
- Inspect the wiring and connections related to ignition coil 8 for any damage or corrosion.
- Test the ignition coil using a multimeter to check for proper resistance and continuity.
- Replace the faulty ignition coil, wiring, or ECM as needed.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0358 2015 GMC Sierra
The cost of repairing the ignition coil 8 control circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. Typically, replacing an ignition coil can cost between $100 and $300, while addressing wiring or ECM issues may increase the total cost. Labor rates at auto repair shops can range from $80 to $150 per hour, so it's advisable to check with local shops for a more accurate estimate.
Need more information about the P0358 2015 GMC Sierra code?
Need more information on how to fix the P0358 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0358 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0358 2015 GMC Sierra Code
What does the OBDII code P0358 mean for a 2015 GMC Sierra?
P0358 indicates a problem with the ignition coil 8 control circuit. The engine control module (ECM) is detecting an issue in the electrical signal sent to or from ignition coil 8.
What are the common symptoms of code P0358?
Symptoms include engine misfires, reduced engine performance, rough idle, difficulty starting, and possibly an illuminated check engine light.
What causes the P0358 code on a 2015 GMC Sierra?
Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a defective ECM, or issues with spark plugs.
Can I drive my GMC Sierra with code P0358?
It’s not recommended to drive with this code for extended periods, as misfires can lead to engine damage and reduced fuel efficiency.
How can I diagnose the P0358 code?
Inspect the wiring and connectors for ignition coil 8, check for spark plug issues, test the ignition coil, and verify proper signals from the ECM.
What tools are needed to fix the P0358 code?
You may need an OBDII scanner, a multimeter, basic hand tools, and possibly an ignition coil tester for diagnosis and repair.
How do I fix code P0358 on my GMC Sierra?
Repairs may include replacing the ignition coil, repairing damaged wiring or connectors, replacing the spark plugs, or reprogramming the ECM if necessary.
What is the cost to repair the P0358 code?
Repair costs vary but typically range from $100 to $300 for parts and labor, depending on if only the ignition coil or additional components need replacement.
Can a bad spark plug cause the P0358 code?
Yes, a worn or damaged spark plug can lead to ignition coil issues and trigger this code due to improper combustion.
How do I prevent the P0358 code from appearing again?
Regular maintenance, such as inspecting ignition components, replacing spark plugs as recommended, and keeping the wiring harnesses in good condition, can help prevent recurrence.
Discuss the causes and fixes for P0358 2015 GMC Sierra OBDII Code
Code P0358 2015 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.