AutoCodes – Hyundai – P0775 Hyundai

P0775 Hyundai 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 Hyundai 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 8,851

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 Hyundai 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 Hyundai - Pressure Control Solenoid Valve 'B' - AutoCodes.com — P0775 Hyundai Code - Pressure Control Solenoid Valve 'B'

What does this mean?

What are the Possible Causes of the DTC P0775 Hyundai?

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 Hyundai?

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 Hyundai 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 Hyundai Code

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

P0775 indicates an issue with the Pressure Control Solenoid Valve 'B' in the transmission, which helps regulate fluid pressure for smooth gear shifting.

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

Symptoms may include harsh or delayed shifting, transmission slipping, decreased fuel efficiency, and the Check Engine Light illuminating.

3. What causes the P0775 code in a Hyundai?

Common causes include a faulty pressure control solenoid, low transmission fluid, wiring issues, or internal transmission problems like a clogged valve body.

4. Can I drive my Hyundai with a P0775 code?

Driving with this code is not recommended as it may lead to further transmission damage and unsafe driving conditions.

5. How do I fix the P0775 error code on my Hyundai?

Repairs may involve replacing the pressure control solenoid, checking and refilling transmission fluid, repairing wiring, or cleaning the valve body.

6. How much does it cost to repair the P0775 code in a Hyundai?

Costs vary depending on the exact issue, but replacing the solenoid typically ranges from $200 to $500, while more extensive transmission repairs can cost significantly more.

7. Can low transmission fluid cause the P0775 code?

Yes, insufficient transmission fluid can reduce hydraulic pressure and trigger the P0775 code.

8. How can I prevent the P0775 code from occurring in my Hyundai?

Regular maintenance, such as checking transmission fluid levels and ensuring clean fluid, can help prevent solenoid-related issues.

9. How is the P0775 code diagnosed in a Hyundai?

A mechanic will use a diagnostic scanner, inspect the transmission fluid, check the wiring and solenoid, and possibly perform a pressure test on the transmission.

10. Is the P0775 code related to other transmission codes in Hyundai vehicles?

Yes, it can be related to other solenoid or pressure codes, as multiple components work together to control the transmission's operation.