What Does Engine Code P2711 Mean?

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The P2711 engine code indicates a mechanical problem with your transmission, leading to driveability issues. If you’re seeing the engine code P2711, you’re probably experiencing poor shift quality. 
Your transmission control module (TCM) monitors certain factors such as fluid pressure, vehicle speed, and gear position. When the TCM in your car detects a fault, this might indicate additional mechanical failures, outside of what the engine code suggests. 
To stay on the safe side and avoid further damage, get it checked out as soon as possible. You can rely on
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Read on to find out more about what the P2711 engine code means, how serious it is, and how much it costs to repair. 
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What does the engine code P2711 mean?

Definition: Unexpected mechanical gear disengagement
The P2711 engine code is a diagnostic trouble code (DTC) that indicates a mechanical problem with your car’s transmission. When you are shifting gears, there is a malfunction in your output speed sensor or input speed sensor.
Key Takeaway: If you’re seeing the engine code P2711, your car’s transmission is the culprit. Get it checked out as soon as possible to avoid further damage.

How much will it cost to fix?

Diagnosing the P2711 error takes about 1 hour of labor, which can cost you between $75 and $150 at most auto repair shops. 
These rates depend on your location, vehicle make, model, and even engine type.
Your actual repair costs will vary depending on the cause of the engine code P2711 error. 
Repairing your transmission, for instance, can cost between $1200 to $5000 for most domestic vehicle makes and models. The cost to replace your transmission is even higher, at about $7000 on average. However, if there’s a simple leak, you should only spend around $200 to fix it.
Make sure you get a diagnosis as soon as possible to avoid additional mechanical failures and costly repairs. Plus, you’ll find out if there’s a quick, simple fix or major damage.

What can cause the P2711 engine code?

If your car is showing the P2711 engine code, your transmission’s output and input speed sensors are likely malfunctioning. 
The transmission, also known as the gearbox, is one of the most critical parts of the engine. It makes sure that you’re not going too fast or too slow for your needs. The transmission transmits the power that comes from the engine to the wheels. 
When your transmission control module (TCM) monitors an issue in the speed sensors, some of the causes include:
  • Worn or faulty double clutch components
  • Worn or damaged gear shafts
  • Faulty output or input shaft speed sensor 
  • Damaged, opened, or shorted wiring circuits or connectors
  • Faulty transmission controller 
  • Insufficient or dirty transmission fluid
  • Defective valve bodies 

Common symptoms of the P2711 engine code

Other than your check engine light turning on, watch out for these potential signs: 
  • Difficulty shifting gears
  • Inaccurate/erratic speedometer 
  • Failed speedometer readings 
  • Complete failure of the speedometer
  • Decreased fuel economy
  • Engine stalling when coming to a stop
These symptoms aren’t always apparent, so make sure to get your vehicle checked out as soon as you suspect a malfunction. 

How serious is the P2711 engine code? 

The P2711 engine code indicates a problem that could seriously affect your driveability. It may also indicate severe problems with your transmission or other mechanical issues. 

Can I fix the P2711 engine code myself?

You may be able to fix the P2711 code after a visual inspection. Carefully check your engine for damaged components, specifically broken, bent, pushed out, or corroded connectors/wiring. Any damaged wiring will need to be replaced. 
Because the P2711 engine code can happen for several reasons, it’s important to get a proper diagnosis from a professional. 
In minor cases, a mechanic may need to repair damaged gears, leaks in the transmission, or even your electrical control system. To check for a transmission leak, for example, the mechanic will place your vehicle on a lift in order to identify the leak and reseal the problem area. If cracks are discovered, your torque converter will likely need to be replaced.
If the problem is severe, they might need to rebuild or replace your entire transmission. Your transmission would then be removed and disassembled, with every single component individually examined and cleaned to determine the cause. 
The transmission is essential to your car and one of the most complicated systems in your vehicle–so it’s always recommended to visit a trusted mechanic.

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