What Does the P2799 Code Mean?
The P2799 OBD-II code indicates a problem with the Auxiliary Transmission Fluid Pump Control Circuit, specifically that the circuit is reading high. The Auxiliary Transmission Fluid Pump is responsible for pressurizing the fluid in the transmission, which is crucial for proper operation.
What Causes the P2799 Code?
Several factors can trigger the P2799 code, including:
- Auxiliary transmission pump failure
- Drive motor generator power inverter control module failure
- Wiring issues related to the circuit
What Are the Symptoms of the P2799 Code?
Drivers may experience several symptoms when the P2799 code is present, including:
- Vehicle may be immovable
- Transmission may not shift properly
- Warning lights on the dashboard
How Serious Is the P2799 Code?
The severity of the P2799 code is considered moderate. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is crucial to get it diagnosed within a reasonable timeframe to prevent further issues and ensure the vehicle runs well.
How to Diagnose the P2799 Code?
Diagnosing the P2799 code involves several steps, such as:
- Using an OBD-II scanner to confirm the code and check for additional codes.
- Inspecting the wiring and connectors associated with the Auxiliary Transmission Fluid Pump for damage or corrosion.
- Testing the Auxiliary Transmission Fluid Pump to ensure it operates correctly.
- Checking the drive motor generator power inverter control module for faults.
Common Repairs for the P2799 Code
Some common repairs may include:
- Replacing the Auxiliary Transmission Fluid Pump if it is found to be faulty.
- Repairing or replacing damaged wiring or connectors.
- Reprogramming or replacing the drive motor generator power inverter control module if necessary.
How Much Does It Cost to Fix the P2799 Code?
The cost to fix the P2799 code can vary widely depending on the specific issue and the vehicle model. Generally, repairs can range from $100 to $1,500 or more, especially if a part like the pump or control module needs replacement.
Can I Fix the P2799 Code Myself?
If you have automotive knowledge and the right tools, you may be able to diagnose and fix the P2799 code yourself. However, due to the complexity of transmission systems, it is often recommended to seek assistance from a certified mechanic to ensure proper diagnosis and repair.
