P2776 OBD-II Trouble Code: Upshift Switch Circuit Low

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

Red-stars EXCELLENT RATING ON

Cost of diagnosing the P2776 code

P2776 is a diagnostic trouble code (DTC) for "Upshift Switch Circuit Low". 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 P2776 DIAGNOSTIC Get a fair and transparent estimate upfront

P2776 code definition

If the PCM of your vehicle stores the P2776 code, it’s because it received feedback about a malfunction in the upshift switch circuit’s electrical circuit.

What the P2776 code means

Upshift switches are used on vehicles that have manually shifting automatic transmissions. It is installed close to the shifter located in the passenger compartment. The shift, connectors and system wiring and mode actuator are all part of the circuit.

If the PCM receives a resistance or voltage signal from the upshift switch circuit that falls outside of the manufacturer’s recommended specifications, the P2776 code will be stored and a Check Engine Light will most likely come on. Depending on your make and model, though, it may take several failure cycles before the light will be displayed. Sometimes, the light doesn’t come on at all.

What causes the P2776 code?

The P2776 code is usually caused by one of the following:

Both issues are often caused by spilled liquids reaching the upshift/downshift switch.

What are the symptoms of the P2776 code?

If your vehicle’s PCM stores a P2776 code, the manual shifter function should become disabled. Your transmission may also be put into limp-in mode by your transmission controller. This means that your vehicle will be limited to very low RPMs (hence “limping”). The idea is that it won’t be able to overheat or do further damage this way until repairs happen. Your transmission will still limp harshly, though, and torque converter lockup will most likely be impossible. You may also see the overdrive light flashing.

That being said, some people have reported no distinguishable symptoms associated with the P2776 code. Therefore, it may be extremely noticeable – in the cases listed above – or you may receive little more than a Check Engine Light.

How does a mechanic diagnose the P2776 code?

To diagnose the problem with your vehicle, a qualified mechanic will use both a digital ohmmeter and a code reader. Once they have the codes your vehicle’s PCM has stored, they’ll move onto examine the wiring and connectors for any signs of a problem. Then they’ll do the same with the internal transmission harness.

After getting the code to clear, the mechanic will take your vehicle for a quick test drive to see if the problem has been solved or if an intermittent condition may be to blame.

Common mistakes when diagnosing the P2776 code

A big mistake that occurs when trying to repair the problems which can trigger the P2776 code is that mechanics will go right to the transmission and start checking the wiring. There’s nothing wrong with this, of course, but when they give this preference over looking for spilled liquids, their attempts at repairs may fall short.

How serious is the P2776 code?

The P2776 code is far from the most serious code your PCM could store, but that doesn’t mean you should wait to have it addressed. Driving can become extremely inconvenient and you could even do further damage if you try pushing your transmission too far.

What repairs can fix the P2776 code?

Fortunately, fixing the P2766 code shouldn’t involve much more than simply trading out wires and other electrical elements that are no longer working properly.

The P2776 code can be repaired by:

  • Fixing/replacing any electrical components that aren’t working correctly because they’ve been damaged.

  • Looking for an internal source of liquid spilling and addressing it

  • In rare cases, dealing with a defective PCM

Additional comments for consideration regarding the P2776 code

As we touched on above, it’s so important to really look for where liquid could have spilled and spilled from. It might not be immediately apparent during a quick scan. Switches in the transmission, for example, make it very easy for signs of spilled fluid to hide.

Need help with a P2776 code?

If you need help with problems related to a stored P2776, YourMechanic is available to help. Just give us a call at 1-800-701-6230 to speak with one of our service advisors. You can also fill out our online form. Either way, we’ll get you a quote right away and schedule an appointment with one of our certified mobile mechanics.

P2776
trouble codes
Check Engine Light

No more waiting rooms! Our mechanics will come to you to diagnose and fix the P2776 code.

SCHEDULE P2776 DIAGNOSTIC
Get a $20 credit for the follow-up repair

Recent Check Engine Light is on Inspection reviews

Excellent Rating

(6,144)

Rating Summary
5,685
221
51
35
152
5,685
221
51
35
152

Chris

11 years of experience
13 reviews
Chris
11 years of experience
Ford F-150 - Check Engine Light is on - North Salt Lake, Utah
We were having problems with our check engine light, and Chris was exceptionally thorough until he found the problem and could help resolve the situation. We appreciate having someone who cares enough to get the job done right, not just done. We will definitely use Chris' services in the future. Thanks Chris.

Leng

21 years of experience
2 reviews
Leng
21 years of experience
Mazda MPV - Check Engine Light is on - Seattle, Washington
Leng arrived on time and explained the issue that my van is having. I will make a follow up appointment for the fix. Friendly, easy to talk to, and professional - thank you very much!

Okela

13 years of experience
11 reviews
Okela
13 years of experience
Land Rover LR4 - Check Engine Light is on - Brooklyn, New York
Okela was incredible! He is super thorough and took time to walk us through the issues with our LR4. Couldn’t recommend more! Thank you Okela!!

Robert

37 years of experience
188 reviews
Robert
37 years of experience
Land Rover LR2 - Check Engine Light is on - Atlanta, Georgia
Robert arrived on time. Did a diagnostic check quickly. He was friendly, and gave great service. He knows how to work on a Land Rover.


More related articles

B1472 OBD-II Trouble Code: Lamp Headlamp Input Circuit Short to Ground
B1472 means that the smart junction box detects that the headlamp switch has been turned to the on position, often due to failed wiring or switches.
P2614 OBD-II Trouble Code: Camshaft Position Signal Output Circuit Open
P2614 P2614 code definition The P2614 trouble code identifies an issue with the camshaft position sensor signal output circuit. What the P2614 code means P2614 is a standard OBD-II trouble code dealing with the camshaft position sensor. The code is...
P0301 OBD-II Trouble Code: Cylinder 1 Misfire Detected
Diagnostic Trouble Code (DTC): P0301 P0301 code definition Cylinder 1 misfire detected What the P0301 code means There are 4-6 cylinders in...

Related questions

My car shows the Check Engine Light and DPF lights and coil light on the dashboard. What action should I take?

Hi. The EGR valve needs to be replaced and the passages to the EGR need to be cleaned. The EGR location is very tricky to get to so you may need a professional technician (such as one from YourMechanic) who...

Coolant temperature sensor issue

If the vehicle is not overheating and the check engine light is NOT "flashing", and there are no other outward indications of the engine malfunctioning, it is safe to drive the car until it is convenient for you to request...

P101 keeps coming on Yukon 2003 after replacing with a new one, cat converters were installed fixing the p420 problem,

Claimed by Jay Safford

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