AutoCodesInfiniti – P0965 Infiniti

P0965 Infiniti Code - Pressure Control Solenoid 'B' Control Circuit Range/Performance

Quick Answer

The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Faulty Pressure Control Solenoid 'B', Pressure Control Solenoid 'B' harness is open or shorted, Pressure Control Solenoid 'B' circuit poor electrical connection. 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
P0965 Infiniti indicates Pressure Control Solenoid 'B' Control Circuit Range/Performance.
Common causes
Common causes include Faulty Pressure Control Solenoid 'B', Pressure Control Solenoid 'B' harness is open or shorted, Pressure Control Solenoid 'B' circuit poor electrical connection.
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.
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Code Popularity 3,347
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 04, 2022
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Code P0965 Infiniti Description

The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. As current flow is increased, the magnetic field produced by the coil moves the solenoid’s plunger further away from the exhaust port. Opening the exhaust port decreases the output fluid pressure regulated by the PC solenoid valve, which ultimately decreases line pressure. The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM).
OBDII Code P0965 Infiniti - Pressure Control Solenoid 'B' Control Circuit Range/Performance - AutoCodes.com
P0965 Infiniti Code - Pressure Control Solenoid 'B' Control Circuit Range/Performance

What are the Possible Causes of the DTC P0965 Infiniti?

  • Faulty Pressure Control Solenoid 'B'
  • Pressure Control Solenoid 'B' harness is open or shorted
  • Pressure Control Solenoid 'B' circuit poor electrical connection

How to Fix the DTC P0965 Infiniti?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0965 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0965 Infiniti code?

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Need Help with the Code?

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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 P0965 Infiniti Code

1. What are common symptoms of OBDII code P0965 in an Infiniti?

- Common symptoms include harsh shifting, transmission slippage, poor fuel economy, and an illuminated Check Engine Light.

2. What can cause the OBDII code P0965 in an Infiniti?

- The code P0965 is typically caused by a faulty pressure control solenoid 'B', issues with the transmission fluid, wiring problems, or a malfunctioning transmission control module.

3. How can I diagnose the OBDII code P0965 in my Infiniti?

- Diagnosing the code involves connecting an OBDII scanner to retrieve the specific error code, inspecting the transmission fluid for any signs of contamination or low levels, and conducting a thorough inspection of the pressure control solenoid 'B' and its wiring.

4. Can I still drive my Infiniti with the OBDII code P0965 present?

- It is not recommended to continue driving with the code P0965 present, as it can lead to further damage to the transmission and other components. It is best to address the issue promptly.

5. How can I repair the OBDII code P0965 in my Infiniti?

- Repairs for the code P0965 may involve replacing the pressure control solenoid 'B', addressing any transmission fluid issues, repairing or replacing damaged wiring, or reprogramming the transmission control module.

6. Is it possible to reset the OBDII code P0965 in an Infiniti?

- While you can clear the code using an OBDII scanner, it is essential to address the underlying issue causing the code to prevent it from reoccurring.

7. Can a DIY enthusiast fix the OBDII code P0965 in an Infiniti?

- Depending on your experience and tools, you may be able to address simpler causes such as checking the transmission fluid level. However, more complex repairs involving the solenoid or wiring may require professional assistance.

8. How much does it cost to repair the OBDII code P0965 in an Infiniti?

- Repair costs can vary depending on the specific cause of the code and the labor rates in your area. It is recommended to get a diagnosis from a reputable mechanic to determine the exact cost.

9. Will the OBDII code P0965 cause long-term damage to my Infiniti?

- Ignoring the code P0965 can lead to long-term damage to the transmission and other related components. It is crucial to address the issue promptly to prevent costly repairs in the future.

10. How often does the OBDII code P0965 occur in Infiniti vehicles?

- The OBDII code P0965 can occur in Infiniti vehicles, especially as they age and accumulate mileage. Regular maintenance and prompt attention to any warning lights can help prevent this code from appearing.

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