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Engine-Codes – Generic – P2797

P2797 Code - Auxiliary Transmission Fluid Pump Performance

Quick Answer

The P2797 diagnostic trouble code refers to the Auxiliary Transmission Fluid Pump Performance. Common causes include Faulty auxiliary transmission fluid pump, Low transmission fluid levels, Clogged transmission fluid filters. 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 indicates Auxiliary Transmission Fluid Pump Performance.
Common causes
Common causes include Faulty auxiliary transmission fluid pump, Low transmission fluid levels, Clogged transmission fluid filters.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2797 Description

The P2797 diagnostic trouble code refers to the Auxiliary Transmission Fluid Pump Performance. This code indicates that there is an issue with the operation of the auxiliary transmission fluid pump in the vehicle. The auxiliary transmission fluid pump is responsible for maintaining proper hydraulic pressure within the transmission system. This pump helps to ensure smooth gear shifts and optimal transmission performance.

OBDII Code P2797 - Auxiliary Transmission Fluid Pump Performance
P2797 Code - Auxiliary Transmission Fluid Pump Performance

Common Causes of P2797

  1. Faulty auxiliary transmission fluid pump
  2. Low transmission fluid levels
  3. Clogged transmission fluid filters
  4. Electrical issues with the pump
  5. Internal transmission leaks

Symptoms of P2797

  1. Harsh shifting between gears
  2. Delayed gear engagement
  3. Transmission slipping
  4. Reduced fuel efficiency
  5. Illumination of the check engine light

How to Fix P2797

  1. Begin by performing a thorough diagnostic scan to confirm the P2797 code and identify the specific cause of the issue.
  2. Check the transmission fluid level and condition. If low, top up the fluid to the correct level and inspect for any leaks.
  3. Inspect the auxiliary transmission fluid pump for any signs of damage or wear. Replace the pump if necessary.
  4. Check and replace any clogged transmission fluid filters.
  5. Clear the error code from the vehicle's computer system and road test the vehicle to ensure the issue has been resolved.

Cost to Fix P2797

The cost of repairing the auxiliary transmission fluid pump performance issue can vary depending on the specific cause of the problem and the vehicle make and model. On average, the repair costs for this issue can range from $200 to $600, including parts and labor. However, it is essential to note that diagnosis time and labor rates at auto repair shops can vary significantly. It is recommended to check with local repair shops for a more accurate estimate based on your vehicle's needs.

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Code P2797 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2797 Code

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  • I have a Nissan Moco 2012 Japanese with TCM CVT. The car VIN No. is MG33S-118356 engine No. is RO6A type DBA-MG33S Nissan Moco (similar to Suzuki Alto). Can anyone help me. Thanks in advance.

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  • I have Nissan moco 2012 too and I am facing same issue. Please help

    Reply to Comment