P064C 2015 GMC Sierra Code - Glow Plug Control Module
Quick Answer
The Glow Plug Control Module has the ability to perform internal self-test diagnostics. Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection. 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
- P064C 2015 GMC Sierra indicates Glow Plug Control Module.
- Common causes
- Common causes include Faulty Glow Plug Control Module, Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection.
- 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.
Code P064C 2015 GMC Sierra Description
What are the Possible Causes of the DTC P064C 2015 GMC Sierra?
- Faulty Glow Plug Control Module
- Glow Plug Control Module harness is open or shorted
- Glow Plug Control Module circuit poor electrical connection
How to Fix the DTC P064C 2015 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P064C 2015 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P064C 2015 GMC Sierra code?
Need more information on how to fix the P064C 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P064C 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P064C 2015 GMC Sierra Code
1. What does the OBDII code P064C mean on a 2015 GMC Sierra?
P064C indicates a malfunction in the Glow Plug Control Module, which is responsible for managing the glow plugs that assist in starting the diesel engine in cold conditions.
2. What are the common symptoms of the P064C code?
Symptoms include difficulty starting the engine, especially in cold weather, reduced engine performance, and the illumination of the Check Engine Light.
3. What causes the P064C code to appear?
Common causes include a faulty Glow Plug Control Module, wiring issues like damaged or corroded connections, or a problem with the power supply to the module.
4. Can I continue driving with the P064C code on my GMC Sierra?
While the vehicle may still be drivable, ignoring this code can lead to starting issues in cold weather and potentially worsen engine performance. It’s best to address it promptly.
5. How is the P064C code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the Glow Plug Control Module, check related wiring and connectors, and test the power supply to the module.
6. How do you fix the P064C code on a 2015 GMC Sierra?
Repairs may include replacing the Glow Plug Control Module, repairing or replacing damaged wiring, cleaning corroded connections, or addressing electrical power supply issues.
7. How much does it cost to repair the P064C code?
Repair costs can vary but typically range from $200 to $600, depending on whether the Glow Plug Control Module needs replacement and the extent of wiring repairs.
8. Can a dead battery cause the P064C code?
A weak or dead battery can sometimes contribute to this code if it fails to supply adequate power to the Glow Plug Control Module.
9. Is the Glow Plug Control Module covered under warranty?
It depends on your vehicle’s warranty. Check with GMC or your warranty provider to see if the module is covered.
10. What happens if the P064C code is not fixed?
If left unresolved, the engine may struggle to start in cold conditions, and prolonged issues could lead to further damage to the glow plug system or reduced fuel efficiency.
Discuss the causes and fixes for P064C 2015 GMC Sierra OBDII Code
Code P064C 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.
