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P1769 2004 Infiniti G35 Code - High and Low Reverse Clutch Solenoid Valve Function

Quick Answer

The P1769 diagnostic trouble code (DTC) in a 2004 Infiniti G35 indicates a malfunction in the High and Low Reverse Clutch Solenoid Valve function. Common causes include Faulty High and Low Reverse Clutch Solenoid Valve, Electrical issues such as a short circuit or open circuit in the solenoid wiring, Low transmission fluid levels or contaminated fluid. 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
P1769 2004 Infiniti G35 indicates High and Low Reverse Clutch Solenoid Valve Function.
Common causes
Common causes include Faulty High and Low Reverse Clutch Solenoid Valve, Electrical issues such as a short circuit or open circuit in the solenoid wiring, Low transmission fluid levels or contaminated fluid.
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 16, 2024
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Code P1769 2004 Infiniti G35 Description

The P1769 diagnostic trouble code (DTC) in a 2004 Infiniti G35 indicates a malfunction in the High and Low Reverse Clutch Solenoid Valve function. This solenoid valve is a crucial component of the transmission system, responsible for controlling the engagement and disengagement of the reverse clutch. When this solenoid valve fails to function properly, it can lead to issues with shifting gears, particularly in reverse, which can significantly impact the vehicle's performance and drivability.

OBDII Code P1769 2004 Infiniti G35 - High and Low Reverse Clutch Solenoid Valve Function
P1769 2004 Infiniti G35 Code - High and Low Reverse Clutch Solenoid Valve Function

Common Causes of P1769 2004 Infiniti G35

  1. Faulty High and Low Reverse Clutch Solenoid Valve.
  2. Electrical issues such as a short circuit or open circuit in the solenoid wiring.
  3. Low transmission fluid levels or contaminated fluid.
  4. Mechanical damage or blockages in the transmission system.
  5. ECM or TCM (Transmission Control Module) malfunctions.

Symptoms of P1769 2004 Infiniti G35

  1. Delayed engagement or harsh shifting in reverse gear.
  2. Slipping or jerking movements when shifting into reverse.
  3. Inability to engage reverse gear at all.
  4. Illumination of the Check Engine Light.
  5. Transmission fluid leaks or low fluid levels.

How to Fix P1769 2004 Infiniti G35

  1. Begin by conducting a thorough diagnostic scan to confirm the P1769 code and identify the specific issue with the High and Low Reverse Clutch Solenoid Valve.
  2. Inspect the wiring harness and connections for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Check the transmission fluid level and condition. Top up or replace the fluid if it is low or contaminated.
  4. Test the High and Low Reverse Clutch Solenoid Valve for proper operation using a multimeter. Replace the solenoid valve if it fails the test.
  5. Clear the DTC and perform a test drive to ensure that the issue has been resolved and that the transmission is functioning correctly.

Cost to Fix P1769 2004 Infiniti G35

The cost of repairing the High and Low Reverse Clutch Solenoid Valve function in a 2004 Infiniti G35 can vary depending on the extent of the issue and the specific parts and labor required. Typically, the cost of replacing a solenoid valve ranges from $150 to $300, while the labor costs can range from $100 to $200. Overall, the total repair cost for addressing the P1769 code may fall between $250 and $500. It is important to note that these estimates are general guidelines, and actual costs may vary based on factors such as location, shop rates, and any additional repairs or parts needed. It is recommended to consult with a qualified mechanic or repair shop for a more accurate cost estimate based on the specific circumstances of the vehicle.

What does this mean?

Tech Notes for P1769 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 P1769

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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 P1769 2004 Infiniti G35 Code

1. What does OBDII code P1769 for a 2004 Infiniti G35 indicate?

The code P1769 indicates a malfunction related to the High and Low Reverse Clutch Solenoid Valve function in the transmission.

2. What are the common symptoms of a High and Low Reverse Clutch Solenoid Valve issue?

Common symptoms include harsh shifting, difficulty shifting into reverse, transmission slipping, and the transmission getting stuck in one gear.

3. What are some possible causes of the P1769 code in a 2004 Infiniti G35?

Possible causes include a faulty solenoid valve, wiring issues, low transmission fluid level, or internal transmission problems.

4. How can I diagnose the High and Low Reverse Clutch Solenoid Valve issue in my Infiniti G35?

Diagnosis typically involves scanning the vehicle for codes, checking the transmission fluid level and condition, inspecting the solenoid valve and its wiring, and performing a thorough transmission inspection.

5. Can I continue driving my Infiniti G35 with the P1769 code present?

It is not recommended to continue driving the vehicle with the P1769 code present, as it can lead to further transmission damage and potential safety hazards.

6. What are the repair options for fixing the High and Low Reverse Clutch Solenoid Valve issue?

Repair options may include replacing the faulty solenoid valve, repairing any damaged wiring, performing a transmission fluid flush and filter change, or seeking professional transmission repair.

7. How much does it typically cost to repair the P1769 code in a 2004 Infiniti G35?

The cost of repair can vary depending on the specific issue, but it may range from a few hundred dollars for minor repairs to over a thousand dollars for more extensive transmission work.

8. Are there any preventive maintenance tips to avoid the P1769 code in the future?

Regularly checking and changing the transmission fluid, addressing any transmission issues promptly, and following the manufacturer's recommended maintenance schedule can help prevent the recurrence of the P1769 code.

9. Can I reset the P1769 code in my Infiniti G35 on my own?

You can reset the code using an OBDII scanner, but it is important to address the underlying issue causing the code before resetting it to avoid further damage to the transmission.

10. Is the High and Low Reverse Clutch Solenoid Valve issue common in 2004 Infiniti G35 vehicles?

While not extremely common, issues with the High and Low Reverse Clutch Solenoid Valve can occur in 2004 Infiniti G35 vehicles, especially as they age and accumulate mileage.

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