P0771 OBD-II Trouble Code: Shift Solenoid E Performance or Stuck Off

Our certified mechanics come to you · 12-month, 12,000-mile warranty

SCHEDULE P0771 DIAGNOSTIC Get a fair and transparent estimate upfront
Red-stars EXCELLENT RATING ON

Cost of diagnosing the P0771 code

P0771 is a diagnostic trouble code (DTC) for "Shift Solenoid E Performance or Stuck Off". 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 for $70.00. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $30.00 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$70.00$30.00
Toyota$70.00$30.00
BMW$70.00$30.00
SCHEDULE P0771 DIAGNOSTIC Get a fair and transparent estimate upfront

check engine light

P0771 code definition

The P0771 code signifies that the car’s computer has detected a problem with shift solenoid E.

What the P0771 code means

A P0771 code means that there is a problem with the shift solenoid E in the automatic transmission. Your car’s transmission uses solenoids to automatically adjust the flow of transmission fluid to match driving needs and ensure smooth shifting. The problem can be due to electrical issues with the solenoid, or it could be contamination of the solenoid itself causing it to stick.

What causes the P0771 code?

Code P0771 can be caused by many different factors, including the following:

What are the symptoms of the P0771 code?

You may experience a number of different symptoms with code P0771, including the following:

How does a mechanic diagnose the P0771 code?

First, a mechanic will use an OBD II scanner to pull any codes from the car’s computer. Often, there are additional codes stored as well as the P0771 code. These can provide further guidance for the mechanic to determine the underlying problem.

The mechanic will also check the level and color of the transmission fluid to determine if the fluid is low, dirty or contaminated. This can also provide valuable guidance for further diagnostics, as well as determining the underlying cause of the trouble code.

If the fluid smells burnt or is very dark, the mechanic may pull the transmission fluid pan and inspect the fluid as well as the transmission for signs of damage from debris, such as clutch material. If no debris is found, the mechanic will then inspect the wiring harness and connection to shift solenoid E and replace any damaged wires, or clean corrosion and tighten connections.

The mechanic will also top off the transmission fluid (or change it completely in the case that it is dirty), and then clear the codes. The vehicle will be test driven for operation as well as to see if the code resets. Freeze frame data stored in the computer will also be used.

The shift solenoid E may also need to be tested mechanically and electrically. If it fails these tests, it will need to be replaced. The entire shift solenoid circuit should also be tested.

Common mistakes when diagnosing the P0771 code

The most common mistake is replacing shift solenoid E without first testing the shift solenoid circuit. Often, a malfunction with the circuit due to wiring damage or loose connections is the actual cause, rather than failure of the solenoid. Debris clogging the solenoid is also a common culprit.

How serious is the P0771 code?

The P0771 code is serious, as it will affect whether the vehicle can be safely driven. If the transmission fluid is contaminated, further driving can cause damage to other system components, as well. Repair this problem as soon as possible.

What repairs can fix the P0771 code?

In most instances, repairs to the shift solenoid wiring harness will fix the P0771 code, although replacing a faulty or clogged solenoid is also common. Adhering to the specified transmission service schedule can help to mitigate the risk of debris clogging the solenoid.

Additional comments for consideration regarding the P0771 code

While it can be tempting to assume that the problem is the solenoid, mechanics should not forget that the circuit can play a significant role here, and should be tested before parts are replaced.

Need help with a P0771 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

trouble codes
Check Engine Light
P0771

Fast and easy Check Engine Light is on Inspection service at your home or office.

SCHEDULE P0771 DIAGNOSTIC
Get a fair and transparent estimate upfront

Recent Check Engine Light is on Inspection reviews

Excellent Rating


YourMechanic Check Engine Light is on Inspection Service

Average Rating

4.5/5

Number of Reviews

3,484

Rating Summary
3,176
153
40
23
92
3,176
153
40
23
92

Richard

10 years of experience
415 reviews
Richard
10 years of experience
This is the second time I’ve had Richard work on my car. He always does an outstanding job and is quick, knowledgeable and professional. Highly recommended!!
2012 DODGE CHALLENGER - CHECK ENGINE LIGHT IS ON - LAS VEGAS, NEVADA

Michael

13 years of experience
372 reviews
Michael
13 years of experience
Mike was an absolute professional when he arrived. He walked me thru the whole process of my repairs and also made good recommendations for preventive issues. His mechanical knowledge and good customer services was a breath of air and greatly appreciated :-)
2007 CHEVROLET AVALANCHE - CHECK ENGINE LIGHT IS ON INSPECTION - MARIETTA, GEORGIA

Rodrigo

10 years of experience
85 reviews
Rodrigo
10 years of experience
Rodrigo was exactly on time, very professional and friendly. He assessed my car, let me know the exact problem when a previous mechanic from a shop in my area was unable to. I felt he was very honest and sincere letting me know the level of urgency that I deal with the issue. Absolutely no pressure. I will absolutely use Rodrigo the next time I need anything to do with my car and will tell everyone about him. This is such a great service, I will never go to another mechanic again. It is so convenient. I couldn’t be happier. :)
2013 SMART FORTWO - CHECK ENGINE LIGHT IS ON - LAS VEGAS, NEVADA

Ricardo

8 years of experience
223 reviews
Ricardo
8 years of experience
Great service and was very helpful on what maintenance my vehicle needed and what to expect in the future. Would definitely recommend to anyone and will.
2004 MITSUBISHI LANCER - CHECK ENGINE LIGHT IS ON - LOS ANGELES, CALIFORNIA

More related articles

Symptoms of a Bad or Failing Flexible Clutch Hose
Common signs include difficulty shifting, low clutch fluid, and feeling no resistance at the clutch pedal.
P0121 OBD-II Trouble Code: TPS "A" Circuit Range Performance Problem
P0121 code definition Throttle Pedal Position Sensor/Switch (TPS) A Circuit Range Performance Problem...
How to Buy Fuel Treatments
Adding a fuel additive to your gas tank when you fill up is one way to clean vital engine parts of deposits, improve the performance of your engine,...

Related questions

Q: Check Engine Light with code P0740

There are a number of symptoms that may accompany a P0740 code, it may be that your car will stall at stop lights, or have trouble shifting, or you may not notice anything at all except your gas mileage is...

Q: Check Engine Light is on and I am getting codes P2600, P22aa, and P24aa

Hello. The codes you have provided are related to the engine and emissions systems. P2600 appears to be related to an issue with the engine's coolant pump circuit. This model of vehicle uses an electric water pump. The computer will...

Q: Q: Why is my car accelerating by itself?

This vehicle engine has a manual throttle cable and cannot accelerate by itself. You may have a faulty idle air control valve that can cause a high idle but is limited to only about 1250 rpm. I would recommend having...

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.

1-800-701-6230 · hi@yourmechanic.com