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P1764 2004 Infiniti G35 Code - Direct Clutch Solenoid Valve Function

Quick Answer

The P1764 code on a 2004 Infiniti G35 relates to an issue with the Direct Clutch Solenoid Valve. Common causes include Faulty Direct Clutch Solenoid Valve, Electrical issues in the solenoid circuit, 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
P1764 2004 Infiniti G35 indicates Direct Clutch Solenoid Valve Function.
Common causes
Common causes include Faulty Direct Clutch Solenoid Valve, Electrical issues in the solenoid circuit, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1764 2004 Infiniti G35 Description

The P1764 code on a 2004 Infiniti G35 relates to an issue with the Direct Clutch Solenoid Valve. This valve is a crucial component of the transmission system, responsible for controlling the flow of hydraulic fluid to engage the direct clutch. The direct clutch is used to connect the input shaft directly to the sun gear in the transmission, allowing for specific gear ratios to be engaged. When this solenoid valve malfunctions, it can lead to problems with gear shifting, transmission engagement, and overall drivability of the vehicle.

OBDII Code P1764 2004 Infiniti G35 - Direct Clutch Solenoid Valve Function
P1764 2004 Infiniti G35 Code - Direct Clutch Solenoid Valve Function

Common Causes of P1764 2004 Infiniti G35

  1. Faulty Direct Clutch Solenoid Valve
  2. Electrical issues in the solenoid circuit
  3. Low transmission fluid levels
  4. Contaminated transmission fluid
  5. Mechanical problems within the transmission

Symptoms of P1764 2004 Infiniti G35

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Transmission overheating
  4. Check Engine light illuminated
  5. Transmission fluid leaks

How to Fix P1764 2004 Infiniti G35

  1. Diagnose the specific cause of the code using a scan tool to pinpoint the issue with the Direct Clutch Solenoid Valve.
  2. Inspect the electrical connections and wiring related to the solenoid valve for any damage or loose connections.
  3. Check the transmission fluid level and condition, topping up or flushing and replacing it if necessary.
  4. If the solenoid valve is found to be faulty, replace it with a new one and clear the code from the PCM.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is functioning properly.

Cost to Fix P1764 2004 Infiniti G35

The cost of repairing a Direct Clutch Solenoid Valve issue can vary depending on the specific cause and the extent of the damage. On average, the parts for this repair can range from $100 to $300, while the labor costs can be between $150 and $300. Therefore, the total cost of addressing this code could be anywhere from $250 to $600. It's important to note that these are rough estimates, and actual costs may vary based on the factors mentioned earlier. It's advisable to consult with a professional mechanic for a more accurate cost estimate based on your specific vehicle and location.

What does this mean?

Tech Notes for P1764 2004 Infiniti G35

There is a Factory Service Bulletin for the 2004 Infiniti G35 with 5-Speed A/T RE5R05A Transmission:

2004 Infiniti G35 RE5R05A Transmission Factory Service Bulletin OBDII Code P1764

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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 P1764 2004 Infiniti G35 Code

1. What does OBDII code P1764 on a 2004 Infiniti G35 indicate?

The code P1764 in a 2004 Infiniti G35 refers to an issue with the Direct Clutch Solenoid Valve Function.

2. What are common symptoms of a Direct Clutch Solenoid Valve malfunction in a 2004 Infiniti G35?

Common symptoms include harsh shifting, delayed shifting, transmission slipping, and even the transmission going into limp mode.

3. What are potential causes of the Direct Clutch Solenoid Valve Function code P1764 in a 2004 Infiniti G35?

Possible causes include a faulty solenoid valve, wiring issues, low transmission fluid levels, or a malfunctioning transmission control module.

4. How can I diagnose the Direct Clutch Solenoid Valve issue in my 2004 Infiniti G35?

Diagnosis typically involves using a scan tool to read the OBDII code, checking the transmission fluid level and condition, and conducting a thorough inspection of the solenoid valve and related wiring.

5. Can I continue driving my 2004 Infiniti G35 with OBDII code P1764 present?

It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission if left unresolved.

6. How can I repair the Direct Clutch Solenoid Valve issue in my 2004 Infiniti G35?

Repairing the issue may involve replacing the faulty solenoid valve, repairing any damaged wiring, ensuring proper transmission fluid levels, or reprogramming the transmission control module.

7. Is it possible to clear the P1764 code in a 2004 Infiniti G35 without fixing the underlying issue?

Clearing the code without addressing the root cause may temporarily turn off the check engine light, but the issue will likely recur if the underlying problem is not fixed.

8. Can a DIY enthusiast fix the Direct Clutch Solenoid Valve issue in a 2004 Infiniti G35?

Depending on the skill level and tools available, some DIY enthusiasts may be able to address simpler causes such as checking and refilling transmission fluid. However, more complex issues may require professional assistance.

9. How much does it cost to repair the Direct Clutch Solenoid Valve issue in a 2004 Infiniti G35?

The cost of repair can vary depending on the specific cause of the issue, the extent of the damage, and whether you choose to address it yourself or take it to a professional mechanic. Costs can range from a few hundred to over a thousand dollars.

10. Is it necessary to reset the transmission memory after fixing the Direct Clutch Solenoid Valve issue in a 2004 Infiniti G35?

It is recommended to reset the transmission memory after fixing the issue to ensure that the transmission control module adapts to the repaired components and functions optimally.

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