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P0765 Infiniti Code - Shift Solenoid Valve 'D' Malfunction

Quick Answer

The P0765 code for Infiniti vehicles indicates a malfunction with the Shift Solenoid Valve 'D'. Common causes include Electrical faults in the shift solenoid circuit, Wiring issues or shorts in the transmission system, Mechanical problems within the shift solenoid valve 'D'. 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
P0765 Infiniti indicates Shift Solenoid Valve 'D' Malfunction.
Common causes
Common causes include Electrical faults in the shift solenoid circuit, Wiring issues or shorts in the transmission system, Mechanical problems within the shift solenoid valve 'D'.
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 12, 2024
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Code P0765 Infiniti Description

The P0765 code for Infiniti vehicles indicates a malfunction with the Shift Solenoid Valve 'D'. The shift solenoid valve is a crucial component in the transmission system that is responsible for controlling the flow of transmission fluid to actuate gear changes. In this case, the 'D' solenoid is specifically responsible for shifting into the drive gear. When this solenoid malfunctions, it can lead to difficulties in shifting gears or even prevent the vehicle from shifting at all.

OBDII Code P0765 Infiniti - Shift Solenoid Valve 'D' Malfunction
P0765 Infiniti Code - Shift Solenoid Valve 'D' Malfunction

Common Causes of P0765 Infiniti

  1. Electrical faults in the shift solenoid circuit
  2. Wiring issues or shorts in the transmission system
  3. Mechanical problems within the shift solenoid valve 'D'
  4. Low transmission fluid levels or contaminated fluid
  5. General wear and tear on the transmission system

Symptoms of P0765 Infiniti

  1. Delayed or harsh shifting between gears
  2. Erratic shifting patterns
  3. Slipping gears
  4. Inability to shift into drive gear
  5. Illumination of the Check Engine Light

How to Fix P0765 Infiniti

  1. Begin by diagnosing the specific cause of the shift solenoid valve 'D' malfunction using a diagnostic scanner to read the code and identify the issue.
  2. Inspect the shift solenoid valve 'D' and its wiring for any visible damage or signs of wear. Replace the solenoid if necessary.
  3. Check the transmission fluid level and quality. If low or contaminated, perform a transmission fluid flush and refill.
  4. Test the transmission system after repairs are completed to ensure the issue is resolved and clear the fault code from the vehicle's computer.
  5. If the problem persists or if further transmission damage is suspected, seek professional assistance from a qualified mechanic or transmission specialist for a more in-depth diagnosis and repair.

Cost to Fix P0765 Infiniti

The cost of repairing a shift solenoid valve 'D' malfunction can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a shift solenoid valve can range from $150 to $300, including parts and labor. Additional costs may apply if other components need to be replaced or if further transmission repairs are required. It is advisable to consult with a trusted mechanic or repair shop for a more accurate cost estimate based on the specific circumstances of your vehicle. Keep in mind that labor rates can vary between auto repair shops, so it's recommended to shop around for the best price.

When is the Code Detected?

The P0765 code is detected when the ECM detects an improper voltage drop when it tries to operate the solenoid valve.

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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.

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