P067D 2016 GMC Sierra Code - Cylinder 5 Glow Plug Control Circuit High Voltage
Quick Answer
The diagnostic trouble code P067D for a 2016 GMC Sierra indicates an issue with the Glow Plug Control Circuit for Cylinder 5, specifically a high voltage condition. Common causes include Faulty glow plug for Cylinder 5, Damaged glow plug control module, Wiring issues or a short circuit in the glow plug control circuit. 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
- P067D 2016 GMC Sierra indicates Cylinder 5 Glow Plug Control Circuit High Voltage.
- Common causes
- Common causes include Faulty glow plug for Cylinder 5, Damaged glow plug control module, Wiring issues or a short circuit in the glow plug control circuit.
- 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 P067D 2016 GMC Sierra Description
The diagnostic trouble code P067D for a 2016 GMC Sierra indicates an issue with the Glow Plug Control Circuit for Cylinder 5, specifically a high voltage condition. Glow plugs are crucial components in diesel engines that help with cold starts by heating the air in the combustion chamber. When the engine is cold, the glow plug control module sends a signal to the glow plugs to heat up, aiding in the ignition process. In this case, a high voltage in the circuit for Cylinder 5 suggests that there may be an electrical malfunction or a problem with the glow plug itself.
Common Causes of P067D 2016 GMC Sierra
- Faulty glow plug for Cylinder 5.
- Damaged glow plug control module.
- Wiring issues or a short circuit in the glow plug control circuit.
- Malfunction in the engine control module (ECM).
- Corrosion or poor connections in the electrical system.
Symptoms of P067D 2016 GMC Sierra
- Difficulty starting the engine, especially in cold weather.
- Rough idling or misfiring of the engine.
- Decreased fuel efficiency.
- Increased emissions.
- Illumination of the check engine light on the dashboard.
How to Fix P067D 2016 GMC Sierra
- Begin by diagnosing the specific cause of the high voltage condition in the glow plug control circuit using a diagnostic scanner.
- Inspect the glow plug for Cylinder 5 to determine if it is functioning correctly or needs replacement.
- Check the glow plug control module and wiring for any damage or corrosion, repairing or replacing components as needed.
- Clear the diagnostic trouble code from the vehicle's ECM and test the system to ensure the issue has been resolved.
- If necessary, recalibrate the ECM to ensure proper communication with the glow plug control circuit.
Cost to Fix P067D 2016 GMC Sierra
The typical repair costs for addressing a high voltage condition in the glow plug control circuit for a 2016 GMC Sierra can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this code may range from $200 to $500, including the cost of a new glow plug, control module, or any necessary wiring repairs. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to obtain quotes from local shops for a more accurate estimate. Rates typically range between $80 and $150 per hour, with variations based on location and shop type.
Need more information about the P067D 2016 GMC Sierra code?
Need more information on how to fix the P067D 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P067D 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P067D 2016 GMC Sierra Code
No Frequently Asked Questions about P067D 2016 GMC Sierra Code found.
Discuss the causes and fixes for P067D 2016 GMC Sierra OBDII Code
Code P067D 2016 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.