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Engine-Codes – Ford – P064C Ford

P064C Ford Code - Glow Plug Control Module

Quick Answer

The P064C diagnostic trouble code (DTC) for Ford vehicles relates to the Glow Plug Control Module. Common causes include Faulty Glow Plug Control Module, Wiring issues such as shorts or open circuits, Faulty glow plug relay. 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 Ford indicates Glow Plug Control Module.
Common causes
Common causes include Faulty Glow Plug Control Module, Wiring issues such as shorts or open circuits, Faulty glow plug relay.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P064C Ford Description

The P064C diagnostic trouble code (DTC) for Ford vehicles relates to the Glow Plug Control Module. This module plays a crucial role in controlling the glow plugs, which are essential components in diesel engines for cold starts. When the engine is cold, the glow plugs heat up to help ignite the fuel-air mixture, ensuring a smooth start-up. The Glow Plug Control Module is responsible for managing the timing and duration of the glow plug operation, optimizing engine performance during cold weather conditions.

OBDII Code P064C Ford - Glow Plug Control Module
P064C Ford Code - Glow Plug Control Module

Common Causes of P064C Ford

  1. Faulty Glow Plug Control Module
  2. Wiring issues such as shorts or open circuits
  3. Faulty glow plug relay
  4. Corrosion or poor connections in the electrical system
  5. Poor quality fuel affecting glow plug operation

Symptoms of P064C Ford

  1. Difficulty starting the engine, especially in cold weather
  2. Rough idling or stalling after start-up
  3. Decreased fuel efficiency
  4. Illumination of the check engine light
  5. Increased emissions

How to Fix P064C Ford

  1. Diagnose the issue using a diagnostic scanner to confirm the P064C code and pinpoint the exact cause.
  2. Inspect the Glow Plug Control Module, wiring, and glow plug relay for any signs of damage or malfunction.
  3. Replace the faulty Glow Plug Control Module, relay, or repair any damaged wiring as necessary.
  4. Clear the DTC and test the vehicle to ensure proper operation of the glow plug system.
  5. Perform a cold start test to verify that the glow plugs are functioning correctly.

Cost to Fix P064C Ford

The typical repair costs for addressing the P064C code can range from $200 to $500, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes the cost of the Glow Plug Control Module, relay, and any additional labor charges. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate pricing details.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P064C Ford Code

1. What does OBDII code P064C mean for a Ford vehicle?

Code P064C refers to an issue with the Glow Plug Control Module, indicating that the module is not functioning properly or experiencing communication issues.

2. What are common symptoms of code P064C in a Ford?

Symptoms may include difficulty starting the engine, rough idling, decreased fuel efficiency, and the check engine light turning on.

3. What causes code P064C to appear on a Ford vehicle?

Common causes include a faulty Glow Plug Control Module, damaged wiring or connectors, corrosion in the circuits, or issues with the Powertrain Control Module (PCM).

4. Can code P064C cause long-term damage to my Ford vehicle?

If unresolved, this code can lead to starting issues in cold weather and increased wear on the engine due to improper combustion.

5. How can I diagnose code P064C on my Ford?

Use an OBDII scanner to confirm the code, inspect the Glow Plug Control Module for damage, check the wiring and connectors, and test the circuit for voltage irregularities.

6. How do I fix code P064C on a Ford vehicle?

Repairs may include replacing the Glow Plug Control Module, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming the PCM if necessary.

7. Is it safe to drive with code P064C on my Ford?

While the vehicle may still be drivable, prolonged use with this code can lead to starting issues and reduced engine performance, especially in cold weather.

8. How much does it cost to repair code P064C on a Ford vehicle?

Repair costs vary but may range from $200 to $700, depending on whether the Glow Plug Control Module, wiring, or PCM needs replacement or repair.

9. Can a weak battery cause code P064C on a Ford?

Yes, a weak or failing battery can cause voltage issues that may trigger this code.

10. Do I need a professional mechanic to fix code P064C on my Ford?

While some experienced DIYers can handle basic repairs, diagnosing and fixing this code often requires specialized tools and expertise, making a professional mechanic a safer option.

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