C0407 Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC C0407 Buick?
- 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 Buick?
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 Buick 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.
Need more information about the C0407 Buick code?
Need more information on how to fix the C0407 Buick code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0407 Buick code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C0407 Buick Code
1. What are the common symptoms of OBDII code C0407 in a Buick related to the AWD oil pump motor?
- Common symptoms include the illumination of the "Service AWD" warning light on the dashboard, reduced AWD system functionality, and potential loss of power to the rear wheels.
2. What are some possible causes of OBDII code C0407 in a Buick's AWD oil pump motor?
- Possible causes include a faulty oil pump motor, damaged wiring or connectors in the AWD system, low fluid levels in the AWD system, or a malfunctioning control module.
3. How can I diagnose the OBDII code C0407 related to the AWD oil pump motor in my Buick?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the AWD system components for damage or leaks, and testing the oil pump motor and related wiring for proper operation.
4. Can I continue driving my Buick with OBDII code C0407 related to the AWD oil pump motor?
- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the AWD system and potentially compromise driving safety. It is advised to address the issue promptly.
5. How can I repair OBDII code C0407 in my Buick's AWD oil pump motor?
- Repair may involve replacing the faulty oil pump motor, repairing damaged wiring or connectors, topping up AWD fluid levels, or reprogramming the control module. Consult a professional mechanic for an accurate diagnosis and repair.
6. Are there any DIY tips for addressing OBDII code C0407 in a Buick's AWD oil pump motor?
- DIY tips may include checking and topping up AWD fluid levels, inspecting wiring and connectors for visible damage, and ensuring all AWD system components are securely connected and functioning properly.
7. How critical is it to address OBDII code C0407 promptly in a Buick's AWD oil pump motor?
- It is important to address the code promptly to prevent further damage to the AWD system, ensure optimal vehicle performance and safety, and avoid potential costly repairs in the future.
8. Can severe weather conditions impact the occurrence of OBDII code C0407 in a Buick's AWD oil pump motor?
- Yes, extreme weather conditions such as heavy snow, ice, or flooding can place additional strain on the AWD system components, potentially leading to issues like the one indicated by code C0407.
9. How long does it typically take to repair OBDII code C0407 related to the AWD oil pump motor in a Buick?
- Repair times can vary depending on the exact cause of the issue, availability of parts, and the mechanic's workload. It is advisable to consult with a professional for an accurate estimate.
10. Is OBDII code C0407 exclusive to Buick vehicles, or can it occur in other makes and models?
- While this specific code may be more common in Buick vehicles, similar issues with the AWD oil pump motor can occur in other makes and models, albeit with potentially different fault codes.
Discuss the causes and fixes for C0407 Buick OBDII Code
Code C0407 Buick comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
