P068E 2017 Chevrolet Silverado Code - Cylinder 8 Glow Plug Control Circuit Low Voltage
Quick Answer
The diagnostic trouble code P068E for a 2017 Chevrolet Silverado indicates that there is a low voltage condition detected in the control circuit for the glow plug in cylinder 8. Common causes include Faulty glow plug in cylinder 8, Wiring harness issues, such as a short or open 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 2017 Chevrolet Silverado indicates Cylinder 8 Glow Plug Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty glow plug in cylinder 8, Wiring harness issues, such as a short or open 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 2017 Chevrolet Silverado Description
The diagnostic trouble code P068E for a 2017 Chevrolet Silverado indicates that there is a low voltage condition detected in the control circuit for the glow plug in cylinder 8. Glow plugs are essential components in diesel engines as they assist in starting the engine by heating the combustion chamber before ignition. In this case, the control circuit responsible for regulating the glow plug's operation in cylinder 8 is reporting a voltage below the expected range.
Common Causes of P068E 2017 Chevrolet Silverado
- Faulty glow plug in cylinder 8.
- Wiring harness issues, such as a short or open circuit.
- Malfunctioning glow plug control module.
- Defective engine control module.
- Corrosion or poor connections in the glow plug circuit.
Symptoms of P068E 2017 Chevrolet Silverado
- Difficulty starting the engine, especially in cold weather.
- Rough idling or misfiring.
- Reduced engine performance.
- Decreased fuel efficiency.
- Illumination of the check engine light.
How to Fix P068E 2017 Chevrolet Silverado
- Begin by diagnosing the exact cause of the low voltage condition, which may involve testing the glow plug, wiring, control module, and ECM.
- Replace the faulty glow plug in cylinder 8 if it is determined to be the cause of the issue.
- Inspect the wiring harness for any damage or corrosion, repairing or replacing as necessary.
- Check the glow plug control module and engine control module for proper operation, replacing if found to be defective.
- Clear the diagnostic trouble codes from the ECM's memory and verify that the issue has been resolved by starting the engine and checking for proper glow plug operation.
Cost to Fix P068E 2017 Chevrolet Silverado
The typical repair costs for addressing a cylinder 8 glow plug control circuit low voltage issue can range from $150 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary depending on the location, vehicle make and model, and engine type. It is recommended to inquire about local rates for a more accurate estimate.
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Frequently Asked Questions about P068E 2017 Chevrolet Silverado Code
1. What does the OBDII code P068E mean on a 2017 Chevrolet Silverado?
P068E indicates a low voltage issue in the Cylinder 8 Glow Plug Control Circuit, which is part of the engine's glow plug system used to aid cold starting in diesel engines.
2. What are common symptoms of code P068E in a 2017 Chevrolet Silverado?
Symptoms may include difficulty starting the engine in cold weather, a rough idle, reduced engine performance, and the illumination of the check engine light.
3. What causes the P068E code to appear on a 2017 Chevrolet Silverado?
Common causes include a faulty glow plug for Cylinder 8, damaged wiring or connectors in the glow plug circuit, a malfunctioning glow plug control module, or low system voltage.
4. How can I diagnose the P068E code on my 2017 Chevrolet Silverado?
Start by checking the Cylinder 8 glow plug and its wiring for damage. Use a multimeter to test the glow plug's resistance and inspect the control module for proper function.
5. Can I drive my 2017 Chevrolet Silverado with the P068E code active?
While the vehicle may still run, driving with this code can cause hard starting in cold weather and potentially lead to further damage to the glow plug system. It’s best to address the issue promptly.
6. How do I fix the P068E code on a 2017 Chevrolet Silverado?
Repairs may involve replacing the faulty Cylinder 8 glow plug, repairing damaged wiring or connectors, or replacing the glow plug control module if necessary.
7. How much does it cost to repair the P068E code on a 2017 Chevrolet Silverado?
Repair costs vary but may range from $150 to $400, depending on whether the glow plug, wiring, or control module needs replacement.
8. Can a dead battery cause the P068E code on a 2017 Chevrolet Silverado?
Yes, a weak or dead battery can cause low voltage in the glow plug circuit, triggering the P068E code. Ensure the battery is fully charged and in good condition.
9. How do I prevent the P068E code from recurring in my 2017 Chevrolet Silverado?
Regularly inspect the glow plug system, ensure proper battery maintenance, and address any electrical issues promptly to prevent low voltage or circuit failures.
10. Will clearing the P068E code fix the problem on my 2017 Chevrolet Silverado?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be repaired to prevent the code from returning.
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