Engine-CodesInfiniti – P0762 Infiniti

P0762 Infiniti Code - Shift Solenoid Valve 'C' Stuck On

Quick Answer

The P0762 Infiniti code indicates that the shift solenoid valve 'C' is stuck on. Common causes include Faulty shift solenoid valve 'C', Low transmission fluid levels, Contaminated transmission 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
P0762 Infiniti indicates Shift Solenoid Valve 'C' Stuck On.
Common causes
Common causes include Faulty shift solenoid valve 'C', Low transmission fluid levels, Contaminated transmission 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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0762 Infiniti Description

The P0762 Infiniti code indicates that the shift solenoid valve 'C' is stuck on. This solenoid is responsible for controlling the flow of transmission fluid to engage and disengage specific gear ratios. When the solenoid is stuck in the 'on' position, it can lead to issues with shifting gears smoothly and efficiently. This can result in erratic shifting patterns, delayed gear engagement, harsh shifting, or even the inability to shift gears at all.

OBDII Code P0762 Infiniti - Shift Solenoid Valve 'C' Stuck On
P0762 Infiniti Code - Shift Solenoid Valve 'C' Stuck On

Common Causes of P0762 Infiniti

  1. Faulty shift solenoid valve 'C'
  2. Low transmission fluid levels
  3. Contaminated transmission fluid
  4. Electrical issues within the transmission control module
  5. Mechanical issues within the transmission system

Symptoms of P0762 Infiniti

  1. Erratic shifting patterns
  2. Delayed gear engagement
  3. Harsh shifting
  4. Inability to shift gears
  5. Illumination of the Check Engine Light

How to Fix P0762 Infiniti

  1. Begin by diagnosing the specific cause of the issue using a scan tool to confirm the P0762 Infiniti trouble code.
  2. Inspect the shift solenoid valve 'C' for any signs of damage or wear. Replace the solenoid if necessary.
  3. Check the transmission fluid level and condition. Top off or replace the fluid if it is low or contaminated.
  4. Inspect the electrical connections and wiring associated with the transmission control module. Repair or replace any damaged components.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is shifting properly.

Cost to Fix P0762 Infiniti

The typical repair costs for addressing a shift solenoid valve 'C' stuck on issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, replacing a shift solenoid valve can cost between $150 and $400, including parts and labor. Additional costs may be incurred if there are other underlying issues within the transmission system that need to be addressed. It's recommended to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to check local rates for a more precise cost estimate.

Tech Notes for P0762 Infiniti

When the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

When is the Code Detected?

The P0762 code is detected when the gear required by the ECM does not match the actual gear when vehicle is driven.

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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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