Skip the auto shop - Our mechanics make house calls

P0757 OBD-II Trouble Code: Shift Solenoid B Stuck On

check engine light

P0757 code definition

The PCM has registered an irregularity with shift solenoid B.

What the P0757 code means

Your vehicle’s computer-controlled transmission relies on shift solenoids to manage fluid transferring between hydraulic circuits to trigger a change in transmission to gear ratio. Code P0757 shows up when the PCM senses an abnormality during this process in solenoid B. Varying ratios are necessary in order to speed up and slow down, optimizing fuel efficiency, and maximize engine performance.

What causes the P0757 code?

There are a number of things that could be behind your vehicle reporting a P0757 code. Common reasons are:

What are the symptoms of the P0757 code?

Sometimes there is practically no symptom to alert you to the fact that your vehicle is underperforming. Other drivers will experience very pronounced symptoms, like not being able to shift into or out of any gear.

Harsh shifting is another common symptom as are problems with the transmission like it slipping or even overheating. If your vehicle has a P0757, you’ll most likely notice a drop in fuel efficiency. Finally, the transmission control may drop into “limp-home” mode for as long as this code is being stored.

How does a mechanic diagnose the P0757 code?

Your mechanic will use a scanner to first assess all the codes your vehicle has stored. As long as there aren’t other codes present, they’ll next move on to checking your transmission fluid. If it’s dirty or has somehow been contaminated, this will need to be addressed. If the fluid level is simply low, the mechanic will fill it back up and that may be the end of the problem.

However, if the fluid smells like it’s been burning, this is a sign that the transmission has been operating with an extremely low level of fluid. As a result, internal mechanical damage may be extensive. They’ll need to remove your transmission pan to check for debris (e.g. material from the clutch). Should they find any, a total rebuild will become necessary and the mechanic will need to install a new torque converter.

If no debris is found, they’ll move onto inspecting the wiring and connectors for any damage that may be causing malfunctions. As long as they prove to be fine, the mechanic will need to use a scanner to diagnose and record all the trouble codes stored so they can look for any signs of intermittent problems.

Common mistakes when diagnosing the P0757 code

A lot of mechanics miss that a faulty shift solenoid circuit is behind the P0757 code. As a result, shift solenoid problems get diagnosed instead, leading to unnecessary work that doesn’t really do much about the problem.

How serious is the P0757 code?

Although it may not be considered serious, if the P0757 code represents that you can’t shift gears properly, it’s definitely inconvenient enough that you should get it looked at right away. In those instances where there are no real symptoms, it’s just as important that a mechanic looks at it because you could be doing plenty of damage by continuing to drive your vehicle without knowing it.

What repairs can fix the P0757 code?

Fortunately, fixing a P0757 code only takes one of the following:

Additional comments for consideration regarding the P0757 code

In most cases when the transmission solenoid is stuck, the problem involves foreign materials getting in the way of either the solenoid working properly or fluid flowing through the transmission valve body.

Need help with a P0757 code?

If your vehicle is suffering because of a P0757 code, let YourMechanic help. You can call us at 1-800-701-6230 to speak with one of our service advisors or schedule an appointment on our site. Either way, we’ll provide you with a free quote and then get a certified mobile mechanic to your home or office whenever is most convenient.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Icon-warranty_badge-02

Skip the repair shop, our top-rated mechanics come to you.

At your home or office

Choose from 600+ repair, maintenance & diagnostic services. Our top-rated mechanics bring all parts & tools to your location.

Fair & transparent pricing

See labor & parts costs upfront, so you can book with confidence.

12-month, 12,000-mile warranty

Our services are backed by a 12-month, 12,000-mile warranty for your peace of mind.

Get A Quote

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

More related articles

How to Transfer a Car Title in Idaho
In order to prove ownership of a car, you must have the title. However, when a car is sold, given away or inherited, the title needs...
Auto Safety Tips
Driving is more than a way to get from point A to point B. Owning and driving a car can also be a highly enjoyable experience. Whether a person is driving...
P0359 OBD-II Trouble Code: Ignition Coil I Primary/Secondary Circuit Malfunction
P0359 code definition The P0359 code indicates that a fault has been detected in one of the vehicle’s ignition coils, generally the number 9 coil. This code can also be associated...


Related questions

Q: Hi I have this dtc:P0698 description (failure of wiring and connection. failure of spark plug control module) engin no start

Hi there. Typically this is a failure in the ignition control circuit. Most of the time it is a wiring failure going to the ignition coils such as a bad ground connection. It can also be caused by a failure...

Q: My Jeep has a full battery but is not starting every time I go to start the car.

Hi there. There are several possible causes for the lightening bolt to remain on. The PCM (powertrain control module) has recognized an electrical fault in the ETC (electronic throttle control) system and disables the starter relay, creating a no crank...

Q: No start

Hello. A no start condition can be caused by a wide variety of issues, and from what you describe it would appear that the vehicle may have more than one issue. If spraying brake cleaner into the intake helped...