AutoCodes – Toyota – P2797 Toyota

P2797 Toyota Code - Auxiliary Transmission Fluid Pump Control Performance

Quick Answer

The Oil Pump Motor Controller controls the rotation speed of the Oil Pump Motor (three-phase brushless motor) in accordance with rotation speed request signals sent from the Hybrid Vehicle Control ECU. Common causes include Faulty Oil Pump Motor Controller, Oil Pump Motor Controller harness is open or shorted, Oil Pump Motor Controller 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 Toyota indicates Auxiliary Transmission Fluid Pump Control Performance.
Common causes: Common causes include Faulty Oil Pump Motor Controller, Oil Pump Motor Controller harness is open or shorted, Oil Pump Motor Controller 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.

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Code Popularity 2,109

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 26, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2797 Toyota Description

OBDII Code P2797 Toyota - Auxiliary Transmission Fluid Pump Control Performance - AutoCodes.com — P2797 Toyota Code - Auxiliary Transmission Fluid Pump Control Performance

What does this mean?

What are the Possible Causes of the DTC P2797 Toyota?

Faulty Oil Pump Motor Controller
Oil Pump Motor Controller harness is open or shorted
Oil Pump Motor Controller circuit poor electrical connection
Faulty Hybrid Vehicle Control ECU
Faulty Oil Pump Motor

How to Fix the DTC P2797 Toyota?

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 Toyota 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.

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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 Toyota Code

1. What are the common symptoms of OBDII code P2797 in a Toyota related to Auxiliary Transmission Fluid Pump Control Performance?

- Common symptoms include harsh shifting, transmission slipping, reduced fuel efficiency, and the illumination of the Check Engine Light.

2. What are the possible causes of OBDII code P2797 in a Toyota?

- Possible causes may include a faulty auxiliary transmission fluid pump, wiring issues, low transmission fluid levels, or a malfunctioning transmission control module.

3. How can I diagnose the issue causing OBDII code P2797 in my Toyota?

- Diagnosis typically involves performing a thorough inspection of the auxiliary transmission fluid pump, checking the wiring for any damage, ensuring proper fluid levels, and using a diagnostic scanner to retrieve specific error codes.

4. Can I continue driving my Toyota with OBDII code P2797 present?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission and potentially result in costly repairs.

5. What are some repair tips for fixing OBDII code P2797 in a Toyota?

- Repair tips may include replacing the auxiliary transmission fluid pump, repairing any damaged wiring, ensuring proper fluid levels, and resetting the error code with a diagnostic scanner after completing the necessary repairs.

6. Is it possible to reset OBDII code P2797 in a Toyota without fixing the underlying issue?

- While it is possible to clear the error code temporarily, the Check Engine Light is likely to reappear if the root cause of the problem is not addressed.

7. How much does it typically cost to repair OBDII code P2797 in a Toyota?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can I fix OBDII code P2797 in my Toyota by myself, or should I seek professional help?

- While some experienced DIYers may be able to address this issue themselves, it is recommended to seek professional help, especially when dealing with transmission-related problems to ensure proper diagnosis and repair.

9. Are there any preventive maintenance steps to avoid OBDII code P2797 in a Toyota?

- Regularly checking and maintaining transmission fluid levels, addressing any leaks promptly, and following the manufacturer's recommended service schedule can help prevent issues like OBDII code P2797.

10. How long does it typically take to repair OBDII code P2797 in a Toyota?

- The repair time can vary based on the exact cause of the problem and the extent of the repairs needed, but it may take a few hours to a day to address issues related to OBDII code P2797.