AutoCodes – Nissan – P0775 2005 Nissan Altima Sedan

P0775 2005 Nissan Altima Sedan Code - Pressure Control Solenoid Valve 'B'

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 Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid 'B' valve. 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: P0775 2005 Nissan Altima Sedan indicates Pressure Control Solenoid Valve 'B'.
Common causes: Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid 'B' valve.
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 3,366

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 Jan 30, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0775 2005 Nissan Altima Sedan 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 P0775 2005 Nissan Altima Sedan - Pressure Control Solenoid Valve 'B' - AutoCodes.com — P0775 2005 Nissan Altima Sedan Code - Pressure Control Solenoid Valve 'B'

What does this mean?

What are the Possible Causes of the DTC P0775 2005 Nissan Altima Sedan?

Low transmission fluid level
Dirty transmission fluid
Faulty line pressure solenoid 'B' valve
Line pressure solenoid 'B' valve harness is open or shorted
Line pressure solenoid 'B' valve circuit poor electrical connection

How to Fix the DTC P0775 2005 Nissan Altima Sedan?

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 does this mean?

Code Tech Notes

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0775 2005 Nissan Altima Sedan 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 P0775 2005 Nissan Altima Sedan Code

1. What does the OBDII code P0775 mean in a 2005 Nissan Altima Sedan?

P0775 indicates an issue with the Pressure Control Solenoid Valve 'B,' which helps regulate hydraulic pressure in the transmission.

2. What are the symptoms of code P0775 in a 2005 Nissan Altima?

Symptoms may include harsh shifting, transmission slipping, poor acceleration, and the Check Engine Light turning on.

3. What causes the P0775 code in a 2005 Nissan Altima?

Common causes include a faulty pressure control solenoid, low transmission fluid, a clogged transmission filter, or internal transmission issues such as worn components.

4. Can I drive my 2005 Nissan Altima with a P0775 code?

While the car may still be drivable, continuing to drive with this code can cause further transmission damage. It's best to address the issue promptly.

5. How do I fix the P0775 code on a 2005 Nissan Altima?

Repairs may involve replacing the faulty pressure control solenoid, cleaning or replacing the transmission filter, refilling or flushing the transmission fluid, or addressing internal transmission damage.

6. How do I check if the pressure control solenoid is faulty?

A mechanic can perform resistance tests on the solenoid or inspect it for blockages or electrical issues using a multimeter and diagnostic tools.

7. Can low transmission fluid cause the P0775 code?

Yes, low or degraded transmission fluid can lead to insufficient hydraulic pressure, triggering the P0775 code.

8. How much does it cost to repair a P0775 code issue?

Repair costs can vary, ranging from $150 to $400 for solenoid replacement, while more extensive transmission repairs may cost significantly more.

9. Will resetting the Check Engine Light fix the P0775 code?

Resetting the light without addressing the root cause will not fix the issue, and the code will likely return.

10. Is replacing the entire transmission necessary for a P0775 code?

In most cases, replacing the entire transmission is unnecessary. The issue often lies with the solenoid, fluid, or filter, which can be repaired independently.