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P2759 Lexus Code - Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical Shift Solenoid Valve SLU

Quick Answer

The P2759 diagnostic trouble code (DTC) for Lexus vehicles specifically relates to the Torque Converter Clutch (TCC) pressure control solenoid control circuit electrical shift solenoid valve SLU. Common causes include Faulty TCC pressure control solenoid, Wiring or connector issues in the control circuit, Malfunctioning electrical shift solenoid valve SLU. 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
P2759 Lexus indicates Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical Shift Solenoid Valve SLU.
Common causes
Common causes include Faulty TCC pressure control solenoid, Wiring or connector issues in the control circuit, Malfunctioning electrical shift solenoid valve SLU.
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 09, 2024
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Code P2759 Lexus Description

The P2759 diagnostic trouble code (DTC) for Lexus vehicles specifically relates to the Torque Converter Clutch (TCC) pressure control solenoid control circuit electrical shift solenoid valve SLU. This code indicates that there is an issue with the electrical circuit that controls the pressure of the TCC in the transmission. The TCC is a critical component that helps improve fuel efficiency and reduces heat buildup in the transmission by locking the torque converter when the vehicle is cruising at a constant speed.

OBDII Code P2759 Lexus - Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical Shift Solenoid Valve SLU
P2759 Lexus Code - Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical Shift Solenoid Valve SLU

Common Causes of P2759 Lexus

  1. Faulty TCC pressure control solenoid
  2. Wiring or connector issues in the control circuit
  3. Malfunctioning electrical shift solenoid valve SLU
  4. Low transmission fluid levels or dirty fluid
  5. Internal transmission damage or wear

Symptoms of P2759 Lexus

  1. Erratic shifting or failure to shift gears smoothly
  2. Harsh or delayed gear changes
  3. Decreased fuel efficiency
  4. Poor acceleration

How to Fix P2759 Lexus

  1. Begin by diagnosing the specific cause of the issue using a scan tool to verify the P2759 code and conducting a thorough inspection of the TCC pressure control solenoid and electrical circuit.
  2. Check the wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace any faulty components.
  3. Test the TCC pressure control solenoid and electrical shift solenoid valve SLU for proper operation. Replace any defective solenoids as needed.
  4. Inspect the transmission fluid level and condition. Top off or replace the fluid if necessary, and perform a transmission flush if the fluid is dirty or contaminated.
  5. Clear the DTC from the vehicle's computer and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P2759 Lexus

The cost of repairing a P2759 code in a Lexus vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts for this repair, including a new TCC pressure control solenoid and electrical shift solenoid valve SLU, can range from $150 to $300. Additionally, the labor costs for this repair can range from $200 to $400, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost of addressing a P2759 code in a Lexus vehicle can range from $350 to $700. It's important to note that these are rough estimates, and actual costs may vary based on the factors mentioned earlier.

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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 P2759 Lexus Code

1. What are the common symptoms of OBDII code P2759 in a Lexus related to the Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical Shift Solenoid Valve SLU?

The common symptoms include rough shifting, transmission slipping, transmission overheating, and decreased fuel efficiency.

2. What are the possible causes of OBDII code P2759 in a Lexus?

Possible causes include a faulty torque converter clutch pressure control solenoid, damaged wiring or connectors in the circuit, low transmission fluid level, or a malfunctioning shift solenoid valve SLU.

3. How can I diagnose the OBDII code P2759 in my Lexus?

Diagnosis typically involves using a scan tool to read the code, checking the transmission fluid level and condition, inspecting the wiring and connectors for damage, and testing the torque converter clutch pressure control solenoid and shift solenoid valve SLU.

4. Can I drive my Lexus with OBDII code P2759?

It is not recommended to drive your Lexus with this code present, as it can lead to further damage to the transmission and decreased vehicle performance.

5. How can I repair OBDII code P2759 in my Lexus?

Repairing this code may involve replacing the torque converter clutch pressure control solenoid, repairing or replacing damaged wiring or connectors, ensuring the transmission fluid level is correct, or replacing the shift solenoid valve SLU.

6. Is it safe to clear the OBDII code P2759 in my Lexus without fixing the underlying issue?

Clearing the code without fixing the underlying issue may temporarily remove the warning light, but the problem will likely persist and could lead to more severe transmission issues in the future.

7. How much does it typically cost to repair OBDII code P2759 in a Lexus?

The cost of repairing this code can vary depending on the specific issue, but it may range from $200 to $800 or more, including parts and labor.

8. Can a DIY enthusiast repair OBDII code P2759 in a Lexus?

Depending on your skill level and access to tools, it may be possible to repair this code yourself, but it is recommended to consult a professional mechanic for proper diagnosis and repair.

9. Are there any preventive maintenance tips to avoid OBDII code P2759 in a Lexus?

Regularly checking and changing the transmission fluid, addressing any transmission issues promptly, and maintaining your vehicle according to the manufacturer's recommendations can help prevent this code from appearing.

10. How long does it typically take to repair OBDII code P2759 in a Lexus?

The repair time can vary depending on the specific issue and the mechanic's workload, but it may take anywhere from a few hours to a full day to diagnose and repair this code.

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