P2797 GMC Code - Auxiliary Transmission Fluid Pump Performance
Quick Answer
The power inverter module, often referred to as the drive motor generator power inverter module contains three motor control modules and the hybrid powertrain control module. Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump 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
- P2797 GMC indicates Auxiliary Transmission Fluid Pump Performance.
- Common causes
- Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump 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 P2797 GMC Description
What are the Possible Causes of the DTC P2797 GMC?
- Faulty Auxiliary Transmission Fluid Pump
- Auxiliary Transmission Fluid Pump harness is open or shorted
- Auxiliary Transmission Fluid Pump circuit poor electrical connection
How to Fix the DTC P2797 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2797 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.
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.
