Engine-Codes.com
Engine-Codes – GMC – C0407 GMC

C0407 GMC Code - AWD Oil Pump Motor

Quick Answer

The C0407 GMC code indicates a problem with the AWD oil pump motor in the vehicle's all-wheel-drive system. Common causes include Faulty AWD oil pump motor, Electrical issues, such as a blown fuse or wiring problems, Low or contaminated oil levels in the AWD system. 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
C0407 GMC indicates AWD Oil Pump Motor.
Common causes
Common causes include Faulty AWD oil pump motor, Electrical issues, such as a blown fuse or wiring problems, Low or contaminated oil levels in the AWD system.
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 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code C0407 GMC Description

The C0407 GMC code indicates a problem with the AWD oil pump motor in the vehicle's all-wheel-drive system. The AWD oil pump motor is responsible for circulating oil through the system to ensure smooth operation and proper lubrication of various components. When this motor malfunctions, it can lead to issues with the AWD system, affecting the vehicle's performance and handling.

OBDII Code C0407 GMC - AWD Oil Pump Motor
C0407 GMC Code - AWD Oil Pump Motor

Common Causes of C0407 GMC

  1. Faulty AWD oil pump motor.
  2. Electrical issues, such as a blown fuse or wiring problems.
  3. Low or contaminated oil levels in the AWD system.
  4. Mechanical damage to the oil pump motor or related components.
  5. Wear and tear over time due to normal use and aging of the vehicle.

Symptoms of C0407 GMC

  1. Illumination of the AWD warning light on the dashboard.
  2. Unusual noises coming from the AWD system, such as grinding or whining.
  3. Difficulty engaging or disengaging the AWD system.
  4. Decreased traction and stability, especially in slippery or uneven road conditions.
  5. Reduced fuel efficiency due to increased friction in the AWD system.

How to Fix C0407 GMC

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the fault codes and perform a visual inspection of the AWD oil pump motor and related components.
  2. Test the AWD oil pump motor's functionality by applying power directly to it and checking for proper operation.
  3. Replace the faulty AWD oil pump motor if it is determined to be the root cause of the issue. Ensure that the replacement motor is compatible with the vehicle's make and model.
  4. Check and top up the oil levels in the AWD system, ensuring that the oil is clean and free of contaminants.
  5. Clear the fault codes from the vehicle's system using the diagnostic scanner and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix C0407 GMC

The typical repair costs for addressing the C0407 GMC code related to the AWD oil pump motor can vary depending on the vehicle's make and model, as well as the specific cause of the issue. On average, the cost of replacing the AWD oil pump motor and related components can range from $300 to $800, including parts and labor. However, it is essential to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it is advisable to check with local shops for a more accurate estimate. Additionally, rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more competitive pricing.

What does this mean?

Tech Notes for C0407 GMC

- C0407 02 AWD Oil Pump Motor Short to Ground
- C0407 04 AWD Oil Pump Motor Open
- C0407 0B AWD Oil Pump Motor High Current
- C0407 64 AWD Oil Pump Motor Component Slipping

Need more information about the C0407 GMC code?

Need more information on how to fix the C0407 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0407 GMC code diagnosed by a professional: Find a repair shop in your area

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 C0407 GMC Code

1. What are the common symptoms of OBDII code C0407 in a GMC related to the AWD Oil Pump Motor?

The common symptoms include the illumination of the "Service AWD System" warning light on the dashboard and potential issues with the vehicle's all-wheel-drive system.

2. What can cause the OBDII code C0407 related to the AWD Oil Pump Motor in a GMC?

The code C0407 is typically triggered by a malfunction in the AWD oil pump motor or its circuit.

3. How serious is the OBDII code C0407 related to the AWD Oil Pump Motor in a GMC?

While the vehicle may still be drivable with this code, it is important to address it promptly to prevent potential damage to the AWD system.

4. What is the recommended course of action when OBDII code C0407 related to the AWD Oil Pump Motor appears in a GMC?

It is advisable to have the AWD system inspected by a qualified mechanic to diagnose the specific issue with the oil pump motor and proceed with necessary repairs.

5. Can I continue driving my GMC if the OBDII code C0407 related to the AWD Oil Pump Motor is present?

It is generally not recommended to continue driving the vehicle with this code active, as it may lead to further complications with the AWD system.

6. How can I prevent OBDII code C0407 related to the AWD Oil Pump Motor from recurring in my GMC?

Regular maintenance and inspections of the AWD system, including the oil pump motor, can help prevent this code from reoccurring.

7. Is it possible to reset the OBDII code C0407 related to the AWD Oil Pump Motor in a GMC without repairs?

While clearing the code may temporarily turn off the warning light, it is crucial to address the underlying issue with the AWD oil pump motor to prevent future problems.

8. Are there any DIY repair tips for fixing OBDII code C0407 related to the AWD Oil Pump Motor in a GMC?

Due to the complexity of the AWD system, it is recommended to seek professional assistance for diagnosing and repairing issues related to the oil pump motor.

9. How much does it typically cost to repair OBDII code C0407 related to the AWD Oil Pump Motor in a GMC?

The cost of repairing this issue can vary depending on the extent of the problem and the labor rates of the repair facility. It is best to obtain a detailed estimate from a mechanic.

10. Can a faulty AWD Oil Pump Motor affect the overall performance of my GMC?

Yes, a malfunctioning AWD oil pump motor can impact the performance and drivability of the vehicle, especially in adverse road conditions where all-wheel drive is essential.

Discuss the causes and fixes for C0407 GMC OBDII Code

Submit a New Comment

Code C0407 GMC comments

No comments found for this page.