C0407 GMC Code - AWD Oil Pump Motor
Quick Answer
The differential clutch pump delivers hydraulic oil pressure to the rear drive clutch solenoid valve and the rear differential clutch solenoid valve. Common causes include Faulty AWD Oil Pump Motor, AWD Oil Pump Motor harness is open or shorted, AWD Oil Pump Motor 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
- C0407 GMC indicates AWD Oil Pump Motor.
- Common causes
- Common causes include Faulty AWD Oil Pump Motor, AWD Oil Pump Motor harness is open or shorted, AWD Oil Pump Motor 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 C0407 GMC Description
What are the Possible Causes of the DTC C0407 GMC?
- Faulty AWD Oil Pump Motor
- AWD Oil Pump Motor harness is open or shorted
- AWD Oil Pump Motor circuit poor electrical connection
How to Fix the DTC C0407 GMC?
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.
Code Tech Notes
- C0407 04 AWD Oil Pump Motor Open
- C0407 0B AWD Oil Pump Motor High Current
- C0407 64 AWD Oil Pump Motor Component Slipping
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0407 GMC 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.
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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.
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