AutoCodesNissan – P0775 Nissan

P0775 Nissan 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 Nissan 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 14,082
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 30, 2019
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Code P0775 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 P0775 Nissan - Pressure Control Solenoid Valve 'B' - AutoCodes.com
P0775 Nissan Code - Pressure Control Solenoid Valve 'B'

What are the Possible Causes of the DTC P0775 Nissan?

  • 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 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0775 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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Information for Specific Nissan Models

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 Nissan Code

1. What does the OBDII code P0775 mean for a Nissan vehicle?

P0775 indicates an issue with the pressure control solenoid valve 'B', which is responsible for regulating the hydraulic pressure in the transmission.

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

Symptoms may include harsh or delayed shifting, transmission slipping, reduced fuel efficiency, or the vehicle entering "limp mode."

3. What causes the P0775 code to appear in a Nissan?

Common causes include a faulty pressure control solenoid, dirty or low transmission fluid, a clogged fluid passage, or wiring and connector issues in the transmission system.

4. Can I drive my Nissan with the P0775 code active?

While the vehicle may still be drivable, driving with this code can cause further damage to the transmission. It's best to address the issue as soon as possible.

5. How do I diagnose the P0775 code on my Nissan?

Diagnosis typically involves checking the transmission fluid level and condition, inspecting the wiring and connectors for damage, and testing the solenoid's electrical and mechanical function.

6. How do I fix the P0775 code in a Nissan?

Repairs may include replacing the faulty pressure control solenoid, flushing and refilling the transmission fluid, repairing damaged wiring, or addressing internal transmission issues.

7. What is the cost to repair a P0775 code on a Nissan?

Repair costs vary depending on the issue. Replacing a solenoid can cost $200–$500, while more extensive transmission repairs may exceed $1,000.

8. Can low transmission fluid cause the P0775 code in a Nissan?

Yes, low or dirty transmission fluid can cause insufficient hydraulic pressure, triggering the P0775 code.

9. What tools are needed to troubleshoot the P0775 code on a Nissan?

You'll need an OBDII scanner, a multimeter for electrical tests, and possibly tools to access and inspect the transmission components.

10. Is the P0775 code specific to Nissan vehicles?

No, the P0775 code can appear in various makes and models, but the specific symptoms and repair procedures may vary depending on the vehicle.

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