P068E 2015 Chevrolet Silverado Code - Cylinder 8 Glow Plug Control Circuit Low Voltage
Quick Answer
The P068E diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to an issue with the Cylinder 8 Glow Plug Control Circuit experiencing low voltage. Common causes include Faulty glow plug in Cylinder 8, Damaged wiring or connectors in the glow plug control circuit, Malfunctioning glow plug control module. 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
- P068E 2015 Chevrolet Silverado indicates Cylinder 8 Glow Plug Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty glow plug in Cylinder 8, Damaged wiring or connectors in the glow plug control circuit, Malfunctioning glow plug control module.
- 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 P068E 2015 Chevrolet Silverado Description
The P068E diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to an issue with the Cylinder 8 Glow Plug Control Circuit experiencing low voltage. Glow plugs are crucial components in diesel engines, especially during cold starts, as they help heat the air in the combustion chamber to aid in the ignition of the fuel. When the control circuit for the glow plug in Cylinder 8 is not receiving sufficient voltage, it can lead to issues with starting the engine, reduced performance, increased emissions, and potential damage to the engine over time.
Common Causes of P068E 2015 Chevrolet Silverado
- Faulty glow plug in Cylinder 8
- Damaged wiring or connectors in the glow plug control circuit
- Malfunctioning glow plug control module
- Issues with the vehicle's electrical system
- Corrosion or contamination in the glow plug system
Symptoms of P068E 2015 Chevrolet Silverado
- Difficulty starting the engine, especially in cold weather
- Rough idling or misfiring
- Reduced engine power
- Increased emissions or smoke from the exhaust
- Illumination of the check engine light
How to Fix P068E 2015 Chevrolet Silverado
- Perform a diagnostic scan to confirm the P068E code and identify the specific cylinder and component affected.
- Inspect the glow plug in Cylinder 8 for proper operation and replace if faulty.
- Check the wiring and connectors in the glow plug control circuit for any damage or corrosion, repairing or replacing as needed.
- Test the glow plug control module for proper function and replace if necessary.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P068E 2015 Chevrolet Silverado
The cost estimate for repairing a Cylinder 8 Glow Plug Control Circuit Low Voltage issue in a 2015 Chevrolet Silverado may vary depending on the specific cause of the problem and the labor rates at the auto repair shop. Generally, the parts needed for this repair, such as glow plugs, wiring, connectors, or control modules, may range from $50 to $200. Labor costs can vary between $100 to $300, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost for addressing this issue could fall within the range of $150 to $500. It is advisable to consult with a trusted mechanic or repair shop for a more accurate estimate based on the specific circumstances of the vehicle.
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Frequently Asked Questions about P068E 2015 Chevrolet Silverado Code
What does the OBDII code P068E mean on a 2015 Chevrolet Silverado?
P068E indicates an issue with the Cylinder 8 Glow Plug Control Circuit, specifically a low voltage condition detected by the Engine Control Module (ECM).
What are the common symptoms of the P068E code?
Symptoms may include a check engine light, hard starting in cold weather, reduced engine performance, or increased exhaust smoke.
What causes the P068E code to appear?
Common causes include a faulty cylinder 8 glow plug, damaged wiring or connectors, a malfunctioning glow plug control module, or a blown fuse.
Can I drive my 2015 Chevrolet Silverado with the P068E code?
While the truck may still be drivable, starting issues and reduced performance, especially in cold weather, may occur. Prompt diagnosis and repair are recommended.
How do I diagnose the P068E code?
Start by inspecting the glow plug, wiring, and connectors for cylinder 8. Use a multimeter to check for proper voltage and resistance. If no issues are found, test the glow plug control module.
What tools are needed to fix the P068E code?
You may need a multimeter, a diagnostic scanner, and basic hand tools to inspect and repair wiring, replace the glow plug, or install a new control module.
How much does it cost to repair the P068E code?
Repairs can range from $50 to $150 for a single glow plug replacement, while control module replacement may cost $200 to $500, including parts and labor.
Can a faulty glow plug cause engine damage?
A single faulty glow plug typically won’t cause immediate engine damage, but prolonged issues can lead to reduced fuel efficiency, increased emissions, or difficulty starting.
How can I prevent the P068E code from recurring?
Regular maintenance, including inspecting glow plugs and electrical connections, can help prevent this issue. Address any check engine light promptly to avoid further problems.
Is the P068E code covered under warranty for a 2015 Chevrolet Silverado?
It depends on the vehicle's warranty coverage and mileage. Check with your dealership to see if the glow plug or related components are still covered.
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