P0776 OBD-II Trouble Code: Pressure Control Solenoid B Performance

Our certified mechanics come to you · Get a fair and transparent estimate upfront

Red-stars EXCELLENT RATING ON

Cost of diagnosing the P0776 code

P0776 is a diagnostic trouble code (DTC) for "Pressure Control Solenoid B Performance". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$20.00
Toyota$20.00
BMW$20.00
SCHEDULE P0776 DIAGNOSTIC Get a fair and transparent estimate upfront

P0776 code definition

Code P0776 is an indication that your vehicle’s PCM has found an abnormality related to the electronic pressure control solenoid circuit or simply the solenoid itself.

What the P0776 code means

The computer-controlled automatic transmission relies on varying levels of hydraulic pressure to supply torque converter and shift actuation lockup. Pressure is controlled by using at least one electronic pressure control solenoid. This is overseen by the PCM.

Although it’s a bit different across all makes and models, almost every application relies on calculations based on engine load, engine speed, throttle position and vehicle speed to measure the appropriate degree of pump pressure necessary for efficient operation. Should the amount of fluid deemed necessary not coincide with the actual amount used, code P0776 is stored and the Check Engine Light should come on. It’s worth noting, though, that in some applications, the light won’t be activated until several failure cycles.

What causes the P0776 code?

This code could be stored for lots of reasons. Some of the more common ones include:

  • An electronic pressure control solenoid that isn’t working
  • Mechanical internal transmission errors
  • The internal transmission fluid passages are suffering from hydraulic blockages
  • Low transmission fluid
  • Contaminated transmission fluid
  • Mechanical internal transmission failures
  • Faulty PCM

What are the symptoms of the P0776 code?

This code could make for a wide range of symptoms. In some situations, drivers don’t actually detect anything noticeably wrong with their vehicle. Other times, their shifting function may become completely disabled. Your torque converter clutch could fail to engage or disengage. Sometimes, when this code is stored, the PCM responds by putting the vehicle into “limp-in” mode.

Other common symptoms include:

How does a mechanic diagnose the P0776 code?

The mechanic will use an OBD-II scanner to find out which codes have been stored by your vehicle’s PCM. Then their diagnosis process will move to checking on the level and quality of the transmission fluid. They may even need to inspect the transmission pan. Next, they’ll examine the connectors, wiring and other electrical components. In rare cases, they may need to take a look at the actual PCM as well.

Common mistakes when diagnosing the P0776 code

A lot of times, mechanics focus on a vehicle’s high pressure pump and eventually even replace it when the actual solution lies with wiring malfunctions or the electronic pressure control solenoid.

How serious is the P0776 code?

As you can probably tell from the list of symptoms above, this is definitely a code you want to have fixed right away. Driving your vehicle won’t be easy as long as the problems related to this code are around. Furthermore, even if you are only experiencing mild symptoms at the moment, those could get worse in the near future.

What repairs can fix the P0776 code?

Your mechanic will most likely:

Additional comments for consideration regarding the P0776 code

This code can represent multiple issues and is associated with plenty of other problem codes too. Therefore, it would be wise to adjust each of them in the order they were stored. That’s the best way to ensure you don’t miss any major problems. After each repair, be sure to clear the system, too, so you can see if any others still exist before moving on.

Need help with a P0776 code?

When your vehicle is suffering from P0776 problems or any other type of issue, YourMechanic is here to help. For a quick quote and to schedule an appointment, all you need to do is fill out this online form. You can also give us a call at 1-800-701-6230 to speak with a service advisor. On the day of your appointment, one of our certified mobile mechanics will meet you at your place of business or home and handle the entire repair on the spot.

P0776
trouble codes
Check Engine Light

No more waiting rooms! Our mechanics will come to you to diagnose and fix the P0776 code.

SCHEDULE P0776 DIAGNOSTIC
Get a $20 credit for the follow-up repair

Recent Check Engine Light is on Inspection reviews

Excellent Rating


YourMechanic Check Engine Light is on Inspection Service

Average Rating

4.8/5

Number of Reviews

5,156

Rating Summary
4,752
196
50
27
131
4,752
196
50
27
131

Al

21 years of experience
14 reviews
Al
21 years of experience
Nissan Pathfinder - Check Engine Light is on - Atlanta, Georgia
Al, was cool and very knowledgeable. Being direct and upfront always works. Al, is a credit to the company.

Xavier

10 years of experience
20 reviews
Xavier
10 years of experience
Chevrolet Equinox - Check Engine Light is on - Frisco, Texas
Xavier was GREAT!!! He made sure that I understood everything that he did to my vehicle and answered all my questions. Very thorough and even worked thru the light rain that we had. When I have to use this service again, I hope to be able to request him!

Luis

14 years of experience
52 reviews
Luis
14 years of experience
Kia Sorento - Check Engine Light is on - Las Vegas, Nevada
Luis did an excellent job in determining that this was a warranty issue on bad parts. He has integrity and is good at what he does. I would highly recommend him for any auto repairs that come up.

Reginald

36 years of experience
32 reviews
Reginald
36 years of experience
BMW 325i - Check Engine Light is on - Los Angeles, California
Reginald was incredibly helpful in helping me to diagnose several issues in my car, as well as repair issues to help me pass a break and light test. He even went so far as to come to the brake and light testing location so that he could ensure that the car passed and be there if anything else needed to be fixed on the spot. Absolutely would recommend him to anyone who is looking for an honest and knowledgeable mechanic!


More related articles

P0415 OBD-II Trouble Code: Secondary Air Injection System Switching Valve B Circuit Malfunction
P0415 code means a voltage signal from the secondary air injection system which falls outside of the expected parameters.
5 Red Flags That Your Car Needs Immediate Attention
It It isn’t popular to think about, but you should be prepared for vehicle problems. Vehicles are designed and built by people, and they are only as perfect or flawed as the people who build them. That means sooner or...
B1941 OBD-II Trouble Code: Airbag Crash Sensor #1 Feed/Return Circuit Open
B1941 means there is a problem with the airbag circuit voltage, likely due to an issue with the front impact sensor or in a terminal.

Related questions

How do I turn off the wrench shaped light on the dash

You will need to have the vehicle computer scanned and diagnosed by a mechanic like one from YourMechanic that can come to you so you do not have to drive the vehicle before having the vehicle checked. The light means...

Check engine light is on.

First of all, a shop cannot let a vehicle leave the parking lot with the engine light on without your signature saying that you intend to leave with the light on. Second of all, the light might have been on...

Code p0128

Code P0128 is engaged specifically when the engine itself does not get to operating temperature in a specified time period. The only things that can cause this problem is an issue with the thermostat, head temp sensor, and the coolant...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com