AutoCodes – Nissan – P0963 Nissan

P0963 Nissan Code - Pressure Control Solenoid 'A' Control Circuit High

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 'A', Pressure Control Solenoid 'A' harness is open or shorted, Pressure Control Solenoid 'A' 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: P0963 Nissan indicates Pressure Control Solenoid 'A' Control Circuit High.
Common causes: Common causes include Faulty Pressure Control Solenoid 'A', Pressure Control Solenoid 'A' harness is open or shorted, Pressure Control Solenoid 'A' 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 11,981

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0963 Nissan 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 P0963 Nissan - Pressure Control Solenoid 'A' Control Circuit High - AutoCodes.com — P0963 Nissan Code - Pressure Control Solenoid 'A' Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P0963 Nissan?

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

How to Fix the DTC P0963 Nissan?

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 P0963 Nissan 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.

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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 P0963 Nissan Code

1. What does the P0963 code mean on a Nissan?

The P0963 code indicates a high-voltage issue in the Pressure Control Solenoid 'A' control circuit, which manages hydraulic pressure in the transmission.

2. What are the common symptoms of code P0963 in a Nissan?

Symptoms may include harsh or erratic shifting, transmission slippage, poor fuel economy, or the vehicle going into limp mode.

3. What causes the P0963 code to appear on a Nissan?

Common causes include a faulty pressure control solenoid, damaged wiring or connectors, low transmission fluid, or a malfunctioning transmission control module (TCM).

4. Can I drive my Nissan with the P0963 code?

Driving with this code is not recommended, as it can lead to further transmission damage and unsafe driving conditions due to shifting issues.

5. How do I diagnose the P0963 code on a Nissan?

Diagnosis involves using an OBDII scanner to confirm the code, inspecting the wiring and connectors for damage, checking transmission fluid levels, and testing the pressure control solenoid.

6. How can I fix the P0963 code on a Nissan?

Repairs may include replacing the defective pressure control solenoid, repairing damaged wiring, cleaning connectors, topping off or replacing transmission fluid, or reprogramming the TCM.

7. How much does it cost to fix the P0963 code on a Nissan?

Repair costs vary but typically range from $150 to $400 for solenoid replacement, while more extensive transmission repairs or TCM replacement may cost significantly more.

8. Can low transmission fluid cause the P0963 code on a Nissan?

Yes, low or contaminated transmission fluid can cause improper pressure regulation and trigger the P0963 code.

9. Is the P0963 code specific to Nissan vehicles?

No, the P0963 code is a generic OBDII code that can appear on many vehicles, but the troubleshooting steps and repairs may vary by make and model.

10. How do I prevent the P0963 code from recurring on my Nissan?

Regularly maintain your transmission by checking fluid levels, replacing fluid as recommended, inspecting wiring and connectors, and addressing any transmission issues promptly.