C0407 Code - AWD Oil Pump Motor
Quick Answer
The C0407 diagnostic trouble code (DTC) refers to an issue with the AWD (All-Wheel Drive) oil pump motor. Common causes include Faulty AWD oil pump motor, Wiring issues or electrical faults, Low oil level 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 indicates AWD Oil Pump Motor.
- Common causes
- Common causes include Faulty AWD oil pump motor, Wiring issues or electrical faults, Low oil level 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.
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Code C0407 Description
The C0407 diagnostic trouble code (DTC) refers to an issue with the AWD (All-Wheel Drive) oil pump motor. In vehicles equipped with AWD systems, the oil pump motor is responsible for circulating oil to lubricate and cool the components of the AWD system. When this code is triggered, it indicates that there is a malfunction or failure in the oil pump motor, which can lead to inadequate lubrication and cooling, potentially causing damage to the AWD system.
Common Causes of C0407
- Faulty AWD oil pump motor
- Wiring issues or electrical faults
- Low oil level in the AWD system
- Mechanical failure in the AWD system components
- Corrosion or damage to AWD system components
Symptoms of C0407
- Illumination of the AWD warning light on the dashboard
- Decreased traction and stability, especially in slippery conditions
- Unusual noises coming from the AWD system
- Difficulty engaging or disengaging the AWD system
How to Fix C0407
- Begin by performing a thorough inspection of the AWD oil pump motor, wiring, and oil level to identify the root cause of the issue.
- Test the AWD oil pump motor for proper operation and replace it if necessary.
- Check and repair any damaged wiring or electrical connections related to the AWD system.
- Refill the AWD system with the correct type and amount of oil to ensure proper lubrication and cooling.
- Clear the DTC from the vehicle's onboard computer system and perform a test drive to verify that the issue has been resolved.
Cost to Fix C0407
The cost of repairing the AWD oil pump motor issue can vary depending on the extent of the damage, the specific vehicle make and model, and the labor rates at the auto repair shop. Typically, the parts for this repair can range from $200 to $500, with additional costs for labor. On average, the total repair cost for addressing the C0407 code can range from $300 to $800. It's recommended to consult with a qualified mechanic or dealership to get a more accurate estimate based on your vehicle's specific needs. Labor rates at auto repair shops can range from $80 to $150 per hour, so it's advisable to inquire about rates in your local area for a more precise cost estimate.
Tech Notes for C0407
- C0407 04 AWD Oil Pump Motor Open
- C0407 0B AWD Oil Pump Motor High Current
- C0407 64 AWD Oil Pump Motor Component Slipping
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Code C0407 Information for Specific Makes
- C0407 Buick — AWD Oil Pump Motor
- C0407 Cadillac — AWD Oil Pump Motor
- C0407 Chevrolet — AWD Oil Pump Motor
- C0407 GMC — AWD Oil Pump Motor
Frequently Asked Questions about C0407 Code
1. What does the OBDII code C0407 mean?
C0407 indicates an issue with the AWD oil pump motor, which is responsible for maintaining hydraulic pressure in the all-wheel-drive system.
2. What are the common symptoms of code C0407?
Symptoms may include the AWD system not engaging, reduced traction in slippery conditions, and an illuminated check engine or AWD warning light.
3. What causes the C0407 code to appear?
Common causes include a faulty oil pump motor, electrical issues like damaged wiring or connectors, or a malfunctioning AWD control module.
4. Can I drive my car with the C0407 code active?
While the vehicle may still be drivable in most conditions, the AWD system may be disabled, reducing traction and stability, especially in adverse weather.
5. How do I diagnose the C0407 code?
Check the wiring and connectors for damage, test the AWD oil pump motor for proper operation, and use a scan tool to verify signals from the AWD control module.
6. How is the C0407 code fixed?
Repairs may include replacing the AWD oil pump motor, repairing damaged wiring or connectors, or reprogramming or replacing the AWD control module.
7. How much does it cost to repair code C0407?
Repair costs vary but typically range from $200 to $800, depending on whether the oil pump motor or other components need replacement.
8. Can low fluid levels cause the C0407 code?
Low or contaminated AWD system fluid can sometimes contribute to issues with the oil pump motor, so checking the fluid level and quality is recommended.
9. Will clearing the C0407 code fix the problem?
Clearing the code without addressing the underlying issue will only provide a temporary solution, as the code will likely reappear.
10. How can I prevent the C0407 code from occurring?
Regular maintenance, including checking the AWD system fluid and inspecting wiring and connectors for damage, can help prevent this code from appearing.
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