P0717 - Transmission Fluid Temperature Sensor Circuit Range/Performance Problem in Common Vehicles Like Ford and Honda

Quick Answer

P0717 means: P0717 indicates a problem with the transmission fluid temperature sensor circuit, affecting the transmission's performance.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with P0717? Immediate attention is recommended to avoid potential transmission damage.

Common Questions

What does P0717 mean and how does it affect my car?

P0717 indicates a problem with the transmission fluid temperature sensor circuit. When this code appears, it can cause poor shifting, overheating, and ultimately lead to severe transmission damage if not addressed promptly. A malfunctioning sensor can mislead the ECM, which may prevent the transmission from functioning correctly.

What are the most common causes of P0717 and how much does it cost to fix?

The most common causes of P0717 include a faulty transmission fluid temperature sensor, damaged wiring, and corrosion at connection points. Repair costs can vary widely; replacing the sensor typically costs between $150 and $300, while addressing wiring issues may range from $100 to $200. In rare cases, ECM replacement could cost upwards of $800.

Can I drive my car with P0717 or should I stop immediately?

It's advisable to stop driving your vehicle if you see the P0717 code. Continuing to drive may exacerbate transmission issues, potentially leading to complete failure and costly repairs. It's best to have it diagnosed and repaired as soon as possible.

How can I diagnose P0717 myself using GeekOBD APP?

Using the GeekOBD APP, you can perform a simple diagnostic check. Start by connecting the app to your vehicle's OBD2 port and retrieve any stored trouble codes. The app will provide freeze frame data, which can help you analyze when the issue occurs. Follow the diagnostic steps to test the sensor and wiring.

What vehicles are most commonly affected by P0717?

P0717 is commonly seen in various models, including the 2001-2006 Ford Escape, 2004-2008 Honda Accord, and the 2003-2008 Nissan Murano. Owners of these vehicles should be particularly vigilant for symptoms of this code.

How can I prevent P0717 from happening again?

To prevent P0717 from recurring, regularly check and maintain your vehicle's transmission fluid levels and quality. Schedule routine inspections for the transmission system and consider using protective covers for wiring to minimize exposure to environmental factors.

What is P0717?

The diagnostic trouble code P0717 signifies an issue with the transmission fluid temperature sensor circuit. This code is triggered when the Engine Control Module (ECM) detects an out-of-range voltage signal from the transmission fluid temperature sensor, indicating that the sensor is malfunctioning. This sensor plays a critical role in the transmission system by providing temperature readings to the ECM, which helps in making necessary adjustments for optimal transmission performance. When the P0717 code appears, it can lead to various real-world implications including poor shifting behavior, overheating of the transmission, and decreased fuel efficiency. If left unaddressed, it may cause more severe transmission damage. Common vehicles affected by this code include the 2001-2006 Ford Escape, 2004-2008 Honda Accord, and 2003-2008 Nissan Murano. Symptoms may vary but typically include erratic shifting, slipping gears, and transmission overheating. Prompt diagnosis and repair are crucial to maintaining the health of your vehicle's transmission system.

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

Symptoms

Common symptoms when P0717 is present:

  • Check engine light stays on constantly, indicating a fault in the transmission system.
  • Transmission may hesitate or jerk during acceleration, leading to a rough driving experience.
  • Decreased fuel economy by 10-15%, which could result in higher gas expenses over time.
  • Transmission overheating warning, which could be accompanied by unusual smells or smoke.
  • Difficulty in shifting gears, particularly in automatic transmissions, causing potential safety issues.

Possible Causes

Most common causes of P0717 (ordered by frequency):

  1. The most common cause is a faulty transmission fluid temperature sensor, accounting for about 60% of cases. This sensor may fail due to age or exposure to extreme temperatures.
  2. Another prevalent cause is damaged wiring or connectors in the sensor circuit, which can lead to inconsistent voltage readings.
  3. Corrosion at the sensor connection points can also lead to poor electrical contact; preventative measures include regular inspections of the wiring harness.
  4. Less common but serious is a failing ECM, which may misinterpret sensor data and lead to incorrect transmission operation.
  5. Rarely, a complete transmission failure can occur if the code is ignored, leading to significant repair costs.

P0717 Repair Costs

Cost Breakdown by Repair Type

Replace Transmission Fluid Temperature Sensor

Replacing the faulty sensor with a new OEM or aftermarket part.

  • Total: $150 - $300
  • Success rate: 85%
Repair Wiring Issues

Addressing damaged wiring or connectors in the sensor circuit.

  • Total: $100 - $200
  • Success rate: 75%
ECM Replacement

In cases of ECM failure, replacing the unit may be necessary.

  • Total: $800 - $1500
  • Success rate: 50%
Money-Saving Tips for P0717
  • 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 P0717 Diagnosis Process

Follow these systematic steps to accurately diagnose P0717. 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 or specific diagnostic tools to test the transmission fluid temperature sensor and associated wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the transmission fluid temperature sensor and associated wiring (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 there are no lingering issues (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure there are no lingering issues (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 in 2005 Ford Escape

Vehicle: 2005 Ford Escape, 120,000 miles

Problem: Customer reported engine light on and transmission slipping.

Diagnosis: After scanning with GeekOBD APP, code P0717 was retrieved. A visual inspection revealed damaged wiring near the transmission.

Solution: Replaced the damaged wiring harness and the temperature sensor.

Cost: $250 (parts and labor included)

Result: Transmission functioned normally post-repair, and no further issues were reported.

Case Study 2: Erratic Shifting in 2007 Honda Accord

Vehicle: 2007 Honda Accord, 80,000 miles

Problem: Customer experienced erratic shifting and check engine light.

Diagnosis: Diagnostic scan revealed P0717. Testing indicated a faulty sensor.

Solution: Replaced the transmission fluid temperature sensor.

Cost: $200 (sensor and labor)

Result: Shifting improved significantly, and no check engine light appeared after repair.

Diagnose P0717

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
Download GeekOBD APP Get MOBD Adapter

Code Information

Code: P0717
System: Powertrain (Engine, Transmission, Emissions)
Severity: HIGH
Category: Engine Codes