AutoCodes – KIA – P0775 KIA

P0775 KIA 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 KIA 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 8,000

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

What does this mean?

What are the Possible Causes of the DTC P0775 KIA?

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 KIA?

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 KIA 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 KIA Code

1. What does the OBDII code P0775 mean on a Kia?

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

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

Symptoms include harsh or delayed shifting, slipping gears, poor fuel efficiency, transmission overheating, or the vehicle going into limp mode.

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

Common causes include a faulty pressure control solenoid, low or dirty transmission fluid, clogged fluid passages, a damaged valve body, or wiring/electrical issues.

4. Can I drive my Kia with code P0775?

While the car may still be drivable, continued operation with this code can cause further damage to the transmission. Itâ€™s best to address the issue promptly.

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

Repairs may involve replacing the faulty pressure control solenoid, cleaning or replacing the transmission fluid, repairing damaged wiring, or replacing the valve body.

6. How much does it cost to repair the P0775 code on a Kia?

Repair costs can range from $150 to $400 for solenoid replacement, but costs may increase if additional components or labor are required.

7. How can I prevent the P0775 code from recurring in my Kia?

Regular transmission fluid changes, proper maintenance, and addressing transmission issues early can help prevent P0775 from recurring.

8. Is a transmission fluid flush necessary to fix code P0775 on a Kia?

If the fluid is dirty or contaminated, a flush may help. However, it wonâ€™t solve mechanical or electrical problems with the solenoid or valve body.

9. Does a P0775 code always mean the pressure control solenoid is bad?

No, the issue could also stem from transmission fluid problems, wiring issues, or a malfunctioning valve body.

10. How is the P0775 code diagnosed on a Kia?

A mechanic will use a scan tool to confirm the code, check transmission fluid condition, inspect wiring and connectors, and test the solenoidâ€™s functionality.