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P1772 2005 Infiniti G35 Code - Low Coast Brake Solenoid Valve

Quick Answer

The P1772 diagnostic trouble code (DTC) in a 2005 Infiniti G35 indicates a problem with the Low Coast Brake Solenoid Valve. Common causes include Electrical faults in the wiring, Faulty low coast brake solenoid valve, Transmission fluid issues. 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
P1772 2005 Infiniti G35 indicates Low Coast Brake Solenoid Valve.
Common causes
Common causes include Electrical faults in the wiring, Faulty low coast brake solenoid valve, Transmission fluid issues.
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 P1772 2005 Infiniti G35 Description

The P1772 diagnostic trouble code (DTC) in a 2005 Infiniti G35 indicates a problem with the Low Coast Brake Solenoid Valve. This solenoid valve is a crucial component of the transmission system, specifically in automatic transmissions. Its primary function is to control the flow of transmission fluid that is used to engage and disengage the low coast brake. The low coast brake is responsible for slowing down the vehicle when coasting or decelerating, helping to maintain control and prevent excessive wear on the transmission components.

OBDII Code P1772 2005 Infiniti G35 - Low Coast Brake Solenoid Valve
P1772 2005 Infiniti G35 Code - Low Coast Brake Solenoid Valve

Common Causes of P1772 2005 Infiniti G35

  1. Electrical faults in the wiring
  2. Faulty low coast brake solenoid valve
  3. Transmission fluid issues
  4. Mechanical problems within the transmission system
  5. Software or calibration issues in the transmission control module

Symptoms of P1772 2005 Infiniti G35

  1. Erratic shifting behavior
  2. Harsh downshifting
  3. Slipping gears
  4. Poor acceleration
  5. Reduced fuel efficiency

How to Fix P1772 2005 Infiniti G35

  1. Perform a thorough diagnostic scan to confirm the P1772 code and pinpoint the exact cause of the issue.
  2. Inspect the wiring harness and connectors connected to the low coast brake solenoid valve for any signs of damage or corrosion.
  3. Test the solenoid valve for proper operation and replace it if found to be faulty.
  4. Check the transmission fluid level, quality, and pressure to ensure they meet the manufacturer's specifications.
  5. Clear the DTC from the vehicle's system and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1772 2005 Infiniti G35

The cost of repairing a P1772 code in a 2005 Infiniti G35 can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the parts required for this repair, such as a new solenoid valve, may cost between $100 and $300. The labor costs can range from $150 to $400, depending on the shop's hourly rate and the complexity of the repair. Overall, the total repair cost for addressing a P1772 code could range from $250 to $700 or more. It's advisable to contact local auto repair shops for accurate pricing based on your vehicle's specific needs.

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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 P1772 2005 Infiniti G35 Code

1. What are the common symptoms of OBDII code P1772 in a 2005 Infiniti G35 related to the Low Coast Brake Solenoid Valve?

- Common symptoms include harsh shifting, transmission slipping, and potential difficulty engaging gears.

2. What could cause the Low Coast Brake Solenoid Valve code P1772 to trigger in a 2005 Infiniti G35?

- The code may be triggered by a malfunctioning low coast brake solenoid valve, wiring issues, or a faulty transmission control module.

3. How can I diagnose the Low Coast Brake Solenoid Valve issue causing OBDII code P1772 in my 2005 Infiniti G35?

- Diagnosis typically involves using a scan tool to retrieve the code, inspecting the wiring connections, and testing the solenoid valve for proper function.

4. Can I continue driving my 2005 Infiniti G35 with OBDII code P1772 related to the Low Coast Brake Solenoid Valve?

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

5. What are the repair options for fixing OBDII code P1772 in a 2005 Infiniti G35 due to the Low Coast Brake Solenoid Valve issue?

- Repair options may include replacing the low coast brake solenoid valve, repairing any damaged wiring, or reprogramming the transmission control module.

6. Is it possible to reset the OBDII code P1772 related to the Low Coast Brake Solenoid Valve in a 2005 Infiniti G35 without fixing the issue?

- While you can clear the code temporarily, it will likely reappear until the underlying problem with the low coast brake solenoid valve is addressed.

7. How much does it typically cost to repair OBDII code P1772 in a 2005 Infiniti G35 caused by the Low Coast Brake Solenoid Valve malfunction?

- The cost of repair can vary depending on the extent of the issue, but it may range from $200 to $500 for parts and labor.

8. Are there any preventive maintenance tips to avoid encountering OBDII code P1772 in a 2005 Infiniti G35?

- Regularly servicing the transmission, checking for fluid leaks, and addressing any unusual transmission symptoms promptly can help prevent issues with the low coast brake solenoid valve.

9. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P1772 related to the Low Coast Brake Solenoid Valve in a 2005 Infiniti G35?

- While some basic troubleshooting steps can be performed, repairing the low coast brake solenoid valve issue may require specialized tools and expertise, so it's best to consult a professional mechanic.

10. How long does it typically take for a mechanic to repair OBDII code P1772 caused by the Low Coast Brake Solenoid Valve issue in a 2005 Infiniti G35?

- The repair time can vary based on the exact cause of the problem, but it may take anywhere from a few hours to a full day to diagnose and fix the low coast brake solenoid valve issue.

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