P067E GMC Code - Cylinder 6 Glow Plug Control Circuit Low Voltage
Quick Answer
The P067E diagnostic trouble code (DTC) indicates an issue with the glow plug control circuit in cylinder 6 of a GMC vehicle. Common causes include Faulty glow plug: The glow plug in cylinder 6 may be defective or damaged, Wiring issues: There could be a problem with the wiring connecting the glow plug to the control module, Glow plug control module failure: The control module responsible for sending signals to the glow plug may be malfunctioning. 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
- P067E GMC indicates Cylinder 6 Glow Plug Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty glow plug: The glow plug in cylinder 6 may be defective or damaged, Wiring issues: There could be a problem with the wiring connecting the glow plug to the control module, Glow plug control module failure: The control module responsible for sending signals to the glow plug may be malfunctioning.
- 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 P067E GMC Description
The P067E diagnostic trouble code (DTC) indicates an issue with the glow plug control circuit in cylinder 6 of a GMC vehicle. Glow plugs are essential components in diesel engines that help with cold starting by heating the combustion chamber before ignition. In this case, the code specifically points to low voltage in the circuit controlling the glow plug in cylinder 6.
Common Causes of P067E GMC
- Faulty glow plug: The glow plug in cylinder 6 may be defective or damaged.
- Wiring issues: There could be a problem with the wiring connecting the glow plug to the control module.
- Glow plug control module failure: The control module responsible for sending signals to the glow plug may be malfunctioning.
- Corrosion: Corrosion or poor connections in the circuit can lead to low voltage.
- Battery issues: A weak battery can also cause low voltage in the glow plug control circuit.
Symptoms of P067E GMC
- Hard starting: The vehicle may have difficulty starting, especially in cold weather.
- Rough idling: The engine may run rough or misfire at idle.
- Decreased fuel efficiency: The vehicle may consume more fuel than usual.
- Increased emissions: The vehicle may produce higher emissions than normal.
How to Fix P067E GMC
- Diagnose the issue: Use a diagnostic tool to confirm the P067E code and pinpoint the exact cause of the low voltage in the glow plug control circuit.
- Inspect wiring: Check the wiring connecting the glow plug to the control module for any damage or corrosion.
- Test glow plug: Test the glow plug in cylinder 6 to determine if it is functioning properly.
- Replace faulty components: Replace any faulty glow plugs, wiring, or control modules as needed.
- Clear codes: After repairing the issue, clear the DTC and test the vehicle to ensure the problem has been resolved.
Cost to Fix P067E GMC
The cost of repairing a cylinder 6 glow plug control circuit low voltage issue can vary depending on the extent of the damage and the specific components that need replacement. On average, the parts for this repair can range from $50 to $200, while labor costs can be between $100 and $300. Overall, the total repair cost could be around $150 to $500. However, it's important to note that prices may differ based on the location of the repair shop, the make and model of the vehicle, and the type of engine. It's recommended to consult with a qualified mechanic for a more accurate estimate.
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Information for Specific GMC Models
- P067E 2014 GMC Sierra — Cylinder 6 Glow Plug Control Circuit Low Voltage
- P067E 2015 GMC Sierra — Cylinder 6 Glow Plug Control Circuit Low Voltage
- P067E 2016 GMC Sierra — Cylinder 6 Glow Plug Control Circuit Low Voltage
- P067E 2017 GMC Sierra — Cylinder 6 Glow Plug Control Circuit Low Voltage
- P067E 2018 GMC Sierra — Cylinder 6 Glow Plug Control Circuit Low Voltage
Frequently Asked Questions about P067E GMC Code
1. What does the OBDII code P067E mean on a GMC?
It indicates a low voltage issue in the glow plug control circuit for cylinder 6, which may affect engine starting and performance in cold conditions.
2. What are the common symptoms of code P067E on a GMC?
Symptoms include difficulty starting the engine in cold weather, reduced fuel efficiency, rough idling, and an illuminated Check Engine Light.
3. What causes the P067E code to appear on a GMC?
Common causes include a faulty glow plug, damaged wiring or connectors in the glow plug circuit, a malfunctioning glow plug control module, or corroded electrical connections.
4. Can I drive my GMC with the P067E code active?
Driving is usually possible, but it may be harder to start the engine in cold weather, and ignoring the issue could lead to further engine or electrical problems.
5. How do I diagnose the P067E code on my GMC?
Diagnosis involves checking the glow plug for cylinder 6, inspecting wiring and connectors for damage or corrosion, and testing the glow plug control module.
6. How do I fix the P067E code on a GMC?
Common fixes include replacing the faulty glow plug, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing the glow plug control module if necessary.
7. How much does it cost to repair the P067E code on a GMC?
The cost ranges from $50 to $150 for a glow plug replacement, while repairs involving wiring or the control module may cost more depending on labor rates and parts.
8. Can a bad battery cause the P067E code on a GMC?
Yes, a weak or failing battery can contribute to low voltage issues in the glow plug circuit and trigger the P067E code.
9. Does the P067E code only affect diesel engines on GMC vehicles?
Yes, the P067E code is specific to diesel engines because they use glow plugs to assist with cold starts.
10. Will clearing the P067E code fix the problem?
Clearing the code may turn off the Check Engine Light temporarily, but the underlying issue must be fixed to prevent the code from returning.
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