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P0776 Infiniti Code - Pressure Control Solenoid 'B' Performance

Quick Answer

The P0776 Infiniti diagnostic trouble code indicates an issue with the Pressure Control Solenoid 'B' in the transmission system of the vehicle. Common causes include Faulty pressure control solenoid 'B', Damaged wiring or connectors, 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
P0776 Infiniti indicates Pressure Control Solenoid 'B' Performance.
Common causes
Common causes include Faulty pressure control solenoid 'B', Damaged wiring or connectors, 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 06, 2024
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Code P0776 Infiniti Description

The P0776 Infiniti diagnostic trouble code indicates an issue with the Pressure Control Solenoid 'B' in the transmission system of the vehicle. The pressure control solenoid is responsible for regulating hydraulic pressure within the transmission, ensuring smooth shifting and optimal performance. When the solenoid fails to operate correctly, it can lead to a variety of issues that can affect the vehicle's overall performance.

OBDII Code P0776 Infiniti - Pressure Control Solenoid 'B' Performance
P0776 Infiniti Code - Pressure Control Solenoid 'B' Performance

Common Causes of P0776 Infiniti

  1. Faulty pressure control solenoid 'B'
  2. Damaged wiring or connectors
  3. Low transmission fluid levels
  4. Internal transmission damage
  5. Electrical issues within the transmission control module

Symptoms of P0776 Infiniti

  1. Harsh or delayed shifting
  2. Erratic transmission behavior
  3. Transmission slippage
  4. Decreased fuel efficiency
  5. Poor acceleration

How to Fix P0776 Infiniti

  1. Perform a diagnostic scan to confirm the P0776 code and identify the root cause of the issue.
  2. Inspect the pressure control solenoid 'B' for any signs of damage or malfunction.
  3. Check the wiring and connectors associated with the solenoid for any faults or loose connections.
  4. Verify the transmission fluid levels and top up if necessary.
  5. If the pressure control solenoid 'B' is faulty, replace it with a new, OEM-quality solenoid.

Cost to Fix P0776 Infiniti

The typical repair costs for addressing the P0776 Infiniti code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary depending on various factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It is recommended to check local rates for a more accurate estimate of the repair costs.

What does this mean?

Tech Notes for P0776 Infiniti

When a transmission solenoid is malfunctioned, 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 dirty, it's recommended to change 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 mechanical transmission failure and that the transmission will need to be rebuilt or replaced.

When is the Code Detected?

The gear required by the Engine Control Module (ECM) does not match the actual gear when driving

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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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