P0711 - Transmission Fluid Temperature Sensor Range/Performance Problem in Ford, Honda, and Toyota Vehicles

Quick Answer

P0711 means: The P0711 code indicates a problem with the transmission fluid temperature sensor, affecting shifting and overall transmission performance.

Fix: Check and replace faulty components Cost: $100 - $300 Time: 90-180 minutes

Can I drive with P0711? Immediate attention is recommended to prevent further transmission damage.

Common Questions

What does P0711 mean and how does it affect my car?

The P0711 code indicates a malfunction in the transmission fluid temperature sensor. This can lead to improper shifting, decreased fuel efficiency, and potential overheating of the transmission. If not resolved, it could result in costly repairs and a malfunctioning transmission.

What are the most common causes of P0711 and how much does it cost to fix?

Common causes include a faulty transmission fluid temperature sensor, wiring issues, and low transmission fluid. Repair costs can range from $100 to $300 for sensor replacement or up to $300 for fluid changes, depending on the issue.

Can I drive my car with P0711 or should I stop immediately?

It's advisable to address the P0711 code as soon as possible. Driving with this code can lead to further transmission damage or overheating, which could result in more extensive repairs.

How can I diagnose P0711 myself using GeekOBD APP?

You can utilize the GeekOBD APP to scan for codes and retrieve freeze frame data. This will help you understand the conditions under which the P0711 code was triggered, making it easier to identify the problem.

What vehicles are most commonly affected by P0711?

P0711 is frequently seen in various Ford, Honda, and Toyota models, particularly in vehicles from the years 2010 to 2020. Always check for recalls or TSBs related to your specific vehicle model.

How can I prevent P0711 from happening again?

Regular maintenance, including checking transmission fluid levels and replacing the fluid as needed, can help prevent P0711. Additionally, conduct periodic inspections of wiring and connectors to ensure they remain in good condition.

What is P0711?

The P0711 DTC (Diagnostic Trouble Code) indicates a transmission fluid temperature sensor range or performance issue. This code is commonly found in vehicles from manufacturers such as Ford, Honda, and Toyota. The transmission fluid temperature sensor plays a crucial role in monitoring the temperature of the transmission fluid, providing data to the vehicle's Engine Control Module (ECM). If the ECM detects that the sensor is providing readings outside its normal operating range or if its performance is inconsistent, it triggers the P0711 code. This issue can lead to several problems, including poor transmission performance, overheating, and potential damage to the transmission if not addressed promptly. Typically, the symptoms may arise due to a faulty sensor, wiring issues, or problems within the transmission itself. Drivers may notice irregular shifting, slipping gears, or even a decrease in fuel efficiency as the vehicle struggles to operate optimally. If you experience these symptoms, it's essential to diagnose the issue rather than ignore it to avoid more significant, costly repairs down the line.

System: P - Powertrain (Engine, Transmission, Emissions)

Symptoms

Common symptoms when P0711 is present:

  • Check engine light stays on constantly, indicating a fault in the transmission system.
  • Engine hesitates during acceleration, particularly noticeable when the vehicle shifts gears.
  • Fuel economy decreased by 10-15%, as the engine works harder due to improper transmission function.
  • Rough or harsh shifting when changing gears, leading to a jarring driving experience.
  • Transmission may overheat, triggering additional warning lights and causing long-term damage.

Possible Causes

Most common causes of P0711 (ordered by frequency):

  1. Faulty transmission fluid temperature sensor (60% likelihood) - The most common issue, where the sensor fails to provide accurate readings to the ECM.
  2. Wiring issues (20% likelihood) - Damaged or corroded wiring can disrupt the sensor's signal, leading to performance problems.
  3. Transmission fluid issues (10% likelihood) - Low or contaminated fluid can cause incorrect temperature readings.
  4. Faulty ECM (5% likelihood) - In rare cases, the ECM itself may malfunction, misinterpreting the sensor's data.
  5. Mechanical issues within the transmission (5% likelihood) - Problems like internal wear or damage may also contribute to this code.

P0711 Repair Costs

Cost Breakdown by Repair Type

Sensor Replacement

Replacing the faulty transmission fluid temperature sensor to restore accurate readings.

  • Total: $100 - $300
  • Success rate: 90%
Wiring Repair

Repairing or replacing damaged wiring and connectors in the transmission system.

  • Total: $80 - $250
  • Success rate: 85%
Fluid Change

Changing transmission fluid if it is low or contaminated, which may be causing inaccurate readings.

  • Total: $150 - $300
  • Success rate: 75%
Money-Saving Tips for P0711
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional P0711 Diagnosis Process

Follow these systematic steps to accurately diagnose P0711. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter to test the transmission fluid temperature sensor for proper voltage output (20-30 minutes)

Step 3: Component testing - Use a multimeter to test the transmission fluid temperature sensor for proper voltage output (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - Verify proper operation after repairs and clear codes using the GeekOBD APP (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear codes using the GeekOBD APP (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure smooth shifting (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure smooth shifting (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Transmission Overheating Issue in 2016 Ford Fusion

Vehicle: 2016 Ford Fusion, 75,000 miles

Problem: Customer reported the check engine light on and rough shifting.

Diagnosis: After running a diagnostic with GeekOBD APP, P0711 and P0700 codes were present. A visual inspection revealed corroded wiring to the transmission fluid temperature sensor.

Solution: Replaced the damaged wiring and the temperature sensor. Conducted a fluid change as well.

Cost: $450 (sensor $200, wiring $150, fluid change $100)

Result: Post-repair, the check engine light was off, and the customer reported smooth shifting and improved fuel economy.

Case Study 2: P0711 Code in a 2017 Honda Civic

Vehicle: 2017 Honda Civic, 50,000 miles

Problem: Customer experienced slipping gears and decreased fuel efficiency.

Diagnosis: Using the GeekOBD APP, the technician confirmed a P0711 code. Further inspection indicated low transmission fluid levels due to a small leak.

Solution: Fixed the leak, replaced the fluid, and replaced the temperature sensor as a preventive measure.

Cost: $350 (leak repair $150, fluid change $100, sensor $100)

Result: The vehicle operated normally post-repair, with no further issues reported.

Diagnose P0711

Use GeekOBD APP for professional diagnosis!

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  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: P0711
System: Powertrain (Engine, Transmission, Emissions)
Severity: HIGH
Category: Engine Codes