Engine-CodesGMC – C0364 2014 GMC Sierra

C0364 2014 GMC Sierra Code - Front Axle System

Quick Answer

The C0364 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Front Axle System. Common causes include Faulty front axle actuator, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the 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
C0364 2014 GMC Sierra indicates Front Axle System.
Common causes
Common causes include Faulty front axle actuator, Damaged wiring or connectors in the control circuit, Corrosion or poor connections in the 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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code C0364 2014 GMC Sierra Description

The C0364 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Front Axle System. This code indicates a problem with the front axle actuator control circuit. The front axle actuator is responsible for engaging and disengaging the front axle differential, which is crucial for switching between two-wheel drive and four-wheel drive modes. When this code is triggered, it means that the control module has detected a fault in the circuit that controls the front axle actuator.

OBDII Code C0364 2014 GMC Sierra - Front Axle System
C0364 2014 GMC Sierra Code - Front Axle System

Common Causes of C0364 2014 GMC Sierra

  1. Faulty front axle actuator
  2. Damaged wiring or connectors in the control circuit
  3. Corrosion or poor connections in the control module
  4. Issues with the front axle actuator control module
  5. Electrical issues such as blown fuses or relays

Symptoms of C0364 2014 GMC Sierra

  1. Difficulty engaging or disengaging four-wheel drive
  2. Illumination of the 4WD warning light on the dashboard
  3. Grinding or clicking noises when switching between drive modes
  4. Front axle remaining locked in four-wheel drive mode
  5. Reduced fuel efficiency

How to Fix C0364 2014 GMC Sierra

  1. Begin by conducting a thorough inspection of the front axle actuator and control circuit to identify the source of the issue.
  2. Test the front axle actuator to ensure it is functioning properly.
  3. Check the wiring and connectors for any signs of damage or corrosion, repairing or replacing as necessary.
  4. Inspect the control module for any faults or malfunctions, replacing it if needed.
  5. Clear the DTC from the vehicle's computer system and test the front axle system to ensure proper operation.

Cost to Fix C0364 2014 GMC Sierra

The typical repair costs for addressing a C0364 Front Axle System code can range from $200 to $600, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple shops to ensure a competitive price. Additionally, factors such as the vehicle make and model, as well as the engine type, can also impact the overall repair costs.

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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 C0364 2014 GMC Sierra Code

1. What does the OBDII code C0364 mean on a 2014 GMC Sierra?

C0364 indicates an issue with the Front Axle System, specifically related to the front axle disconnect actuator circuit or sensor.

2. What are the common symptoms of code C0364 in a 2014 GMC Sierra?

Symptoms may include the 4WD system not engaging properly, warning lights on the dashboard, or unusual noises from the front axle.

3. What causes the C0364 code in a 2014 GMC Sierra?

Common causes include a faulty front axle actuator, damaged wiring or connectors in the actuator circuit, or issues with the transfer case control module.

4. Can I still drive my 2014 GMC Sierra with the C0364 code?

Yes, but the 4WD system may not function correctly, which could affect traction in off-road or slippery conditions.

5. How do I diagnose code C0364 on a 2014 GMC Sierra?

Start by inspecting the wiring and connectors for damage near the front axle actuator, then test the actuator itself and check for faults in the transfer case control module.

6. How can I fix the C0364 code on a 2014 GMC Sierra?

Repairs may include replacing the front axle actuator, repairing damaged wiring, or reprogramming/replacing the transfer case control module.

7. How much does it cost to fix the C0364 code on a 2014 GMC Sierra?

Costs vary depending on the repair, with actuator replacement typically ranging from $200-$500, while wiring repairs or module replacement could increase the expense.

8. Can a dead battery cause the C0364 code in a 2014 GMC Sierra?

A dead or weak battery may indirectly cause communication issues in the control modules, but it is not a direct cause of this code.

9. Is it common for the C0364 code to reappear after repairs?

If repairs are incomplete or underlying electrical issues are unresolved, the code may reappear. A thorough diagnosis is key.

10. Can I clear the C0364 code without fixing the problem?

Clearing the code without addressing the issue may provide temporary relief but risks further damage to the 4WD system over time.

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