P2797 GMC Code - Auxiliary Transmission Fluid Pump Performance
Quick Answer
The P2797 GMC code refers to Auxiliary Transmission Fluid Pump Performance. Common causes include Electrical issues with the pump motor, Clogged filter, Low transmission fluid levels. 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
- P2797 GMC indicates Auxiliary Transmission Fluid Pump Performance.
- Common causes
- Common causes include Electrical issues with the pump motor, Clogged filter, Low transmission fluid levels.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P2797 GMC Description
The P2797 GMC code refers to Auxiliary Transmission Fluid Pump Performance. This code indicates that there is an issue with the auxiliary transmission fluid pump in the vehicle. The auxiliary transmission fluid pump is responsible for maintaining proper pressure and flow of transmission fluid throughout the transmission system. When this pump is not functioning correctly, it can lead to a variety of performance issues in the vehicle.
Common Causes of P2797 GMC
- Electrical issues with the pump motor
- Clogged filter
- Low transmission fluid levels
- Malfunctioning pump
Symptoms of P2797 GMC
- Harsh or delayed shifting of gears
- Slipping gears
- Transmission overheating
- Check Engine Light illuminated
- Transmission fluid leaks
How to Fix P2797 GMC
- Begin by performing a thorough inspection of the auxiliary transmission fluid pump and surrounding components to identify the root cause of the issue.
- Test the electrical connections to ensure proper voltage is reaching the pump motor. Replace any damaged wiring or connectors as needed.
- Check the transmission fluid level and condition. Top off or replace the fluid if necessary.
- Inspect the pump itself for any signs of wear or damage. Replace the pump if it is malfunctioning.
- Clear the diagnostic trouble codes from the vehicle's computer and test drive to ensure the issue has been resolved.
Cost to Fix P2797 GMC
The typical repair costs for addressing P2797 GMC code can range from $200 to $600, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary depending on various factors. It's recommended to check with local shops for a more accurate estimate based on the specific make and model of the vehicle. Keep in mind that rates may vary in different locations and types of repair facilities.
Need more information about the P2797 GMC code?
Need more information on how to fix the P2797 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2797 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2797 GMC Code
1. What are the common symptoms of OBDII code P2797 in a GMC related to the Auxiliary Transmission Fluid Pump Performance?
The common symptoms include harsh shifting, transmission slippage, reduced fuel efficiency, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P2797 in a GMC?
Possible causes include a faulty auxiliary transmission fluid pump, low transmission fluid levels, damaged wiring or connectors in the transmission fluid pump circuit, or a malfunctioning transmission control module.
3. How can I diagnose the issue related to OBDII code P2797 in my GMC?
Diagnosing the issue involves using a scan tool to retrieve the code, checking the transmission fluid level and condition, inspecting the wiring and connectors related to the auxiliary transmission fluid pump, and testing the pump itself for proper operation.
4. Can driving with OBDII code P2797 present cause further damage to my GMC's transmission?
Continuing to drive with this code present can potentially cause further damage to the transmission, leading to more severe issues and potentially costly repairs if left unaddressed.
5. How can I repair OBDII code P2797 in a GMC?
Repairing this code typically involves addressing the root cause of the issue, such as replacing the faulty auxiliary transmission fluid pump, repairing any damaged wiring or connectors, ensuring proper transmission fluid levels, and clearing the code from the vehicle's computer.
6. Is it safe to continue driving my GMC with OBDII code P2797?
It is not recommended to drive your GMC with this code present, as it can lead to potential transmission problems and further damage if not addressed promptly.
7. Can I reset OBDII code P2797 in my GMC without fixing the underlying issue?
While you can clear the code using a scan tool, it is important to address the root cause of the problem to prevent it from recurring and potentially causing more significant issues in the future.
8. How much does it typically cost to repair OBDII code P2797 in a GMC?
The cost of repairing this code can vary depending on the underlying issue, the extent of the repairs needed, and labor costs. It is advisable to consult a mechanic for a more accurate estimate.
9. Are there any preventive measures to avoid OBDII code P2797 in a GMC?
Regular maintenance, such as checking transmission fluid levels, addressing any leaks promptly, and ensuring timely transmission fluid changes, can help prevent issues that may trigger this code.
10. Can a DIY enthusiast with automotive knowledge repair OBDII code P2797 in a GMC?
While some aspects of diagnosing and repairing this code may be within the realm of a knowledgeable DIY enthusiast, addressing transmission-related issues often requires specialized tools and expertise best handled by a professional mechanic.
Discuss the causes and fixes for P2797 GMC OBDII Code
Code P2797 GMC 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.