P0707 - Transmission Range Sensor Circuit Low Input (Common in 2014-2018 Toyota Corolla, 2015-2019 Ford Focus)

Quick Answer

P0707 means: P0707 indicates a low input signal from the transmission range sensor.

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

Can I drive with P0707? Immediate attention is recommended to prevent further transmission damage.

Common Questions

What does P0707 mean and how does it affect my car?

The P0707 code indicates a low input signal from the transmission range sensor, which impacts transmission performance. If left unresolved, it can lead to erratic shifting and potential transmission failure.

What are the most common causes of P0707 and how much does it cost to fix?

Common causes include a faulty transmission range sensor, wiring issues, or a failing transmission control module. Repair costs can range from $50 for wiring repairs to $1500 for TCM replacement.

Can I drive my car with P0707 or should I stop immediately?

While it may be possible to drive short distances, it's not advisable. Continuing to drive can exacerbate transmission issues, leading to more severe damage.

How can I diagnose P0707 myself using GeekOBD APP?

Using the GeekOBD APP, you can scan for codes, view freeze frame data, and monitor sensor readings. Start with an OBD2 scan and check for additional related codes.

What vehicles are most commonly affected by P0707?

Commonly affected vehicles include the 2014-2018 Toyota Corolla and the 2015-2019 Ford Focus. Issues have been noted in these models, leading to recalls in some cases.

How can I prevent P0707 from happening again?

Regular maintenance, including checking electrical connections and ensuring clean connectors, can help prevent recurrence. Keeping the transmission fluid at the correct level is also crucial.

What is P0707?

The P0707 code signifies a problem with the transmission range sensor circuit, specifically indicating a low input signal. This sensor is crucial as it informs the engine control module (ECM) of the current gear position of the transmission. When the ECM detects a voltage level that falls below the expected range, it triggers the P0707 code. In practical terms, this can lead to various driving issues such as difficulty in shifting gears or erratic shifting patterns. For example, in many vehicles, you might experience a slipping transmission or the engine may not rev as expected during acceleration. Ignoring this code can lead to more significant transmission problems over time, including complete transmission failure. Therefore, understanding the implications of this code is essential for car owners, especially if they notice symptoms like the check engine light illuminating or changes in vehicle performance. Addressing the P0707 code promptly can save you from costly repairs down the road and ensure your vehicle operates smoothly.

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

Symptoms

Common symptoms when P0707 is present:

  • Check engine light stays on constantly, indicating an issue that needs to be addressed.
  • Engine hesitates during acceleration, leading to a decrease in overall driving performance.
  • Fuel economy decreased by 10-15%, which can significantly impact your budget over time.
  • Difficulty shifting gears, which may cause the vehicle to feel stuck in one gear.
  • Erratic shifting patterns, where the transmission shifts unexpectedly or inconsistently.

Possible Causes

Most common causes of P0707 (ordered by frequency):

  1. Faulty transmission range sensor - This is the most common cause, with a likelihood of about 50%. If the sensor fails, it can lead to inaccurate readings.
  2. Wiring or connector issues - Damaged wiring or poor connections can disrupt the sensor signal. This accounts for about 30% of cases.
  3. Transmission control module (TCM) failure - A less common issue where the TCM malfunctions can lead to improper signal inputs.
  4. Corrosion or dirt build-up - Accumulation on connectors can also cause low signals, although this is less frequent.
  5. Mechanical issues within the transmission - Rarely, internal transmission problems can trigger this code.

P0707 Repair Costs

Cost Breakdown by Repair Type

Transmission Range Sensor Replacement

Replacing the faulty transmission range sensor is often the first step in addressing the P0707 code.

  • Total: $100 - $300
  • Success rate: 85%
Wiring Repair

Repairing damaged wires or connectors can also resolve the issue if the sensor is functioning correctly.

  • Total: $50 - $150
  • Success rate: 75%
Transmission Control Module Replacement

If the TCM is identified as the issue, replacement may be necessary.

  • Total: $500 - $1500
  • Success rate: 90%
Money-Saving Tips for P0707
  • 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 P0707 Diagnosis Process

Follow these systematic steps to accurately diagnose P0707. 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 range sensor and surrounding wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the transmission range sensor and surrounding 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 no codes return (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure no codes return (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 Range Sensor Replacement on a 2015 Toyota Corolla

Vehicle: 2015 Toyota Corolla, 60,000 miles

Problem: Customer reported check engine light on and difficulty shifting gears.

Diagnosis: OBD2 scan revealed P0707. Visual inspection showed a faulty transmission range sensor.

Solution: Replaced the transmission range sensor and cleared the codes.

Cost: $250 (parts and labor)

Result: Customer reported smooth shifting and no return of the check engine light.

Case Study 2: Wiring Repair on a 2016 Ford Focus

Vehicle: 2016 Ford Focus, 45,000 miles

Problem: Check engine light illuminated, and engine hesitated during acceleration.

Diagnosis: P0707 was retrieved; inspection revealed corroded wiring in the transmission connector.

Solution: Repaired the wiring and secured connections.

Cost: $100 (parts and labor)

Result: Resolved the issue; vehicle performance restored to normal.

Diagnose P0707

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: P0707
System: Powertrain (Engine, Transmission, Emissions)
Severity: HIGH
Category: Engine Codes