Engine-CodesFord – P0718 Ford

P0718 Ford Code - Transmission Speed Sensor Noise Interference

Quick Answer

The P0718 Ford code indicates a problem with the transmission speed sensor, specifically related to noise interference. Common causes include Electrical interference from nearby components, Damaged wiring or connectors, Faulty transmission speed sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0718 Ford indicates Transmission Speed Sensor Noise Interference.
Common causes
Common causes include Electrical interference from nearby components, Damaged wiring or connectors, Faulty transmission speed sensor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0718 Ford Description

The P0718 Ford code indicates a problem with the transmission speed sensor, specifically related to noise interference. The transmission speed sensor is a vital component that monitors the speed of the input and output shafts in the transmission. This information is crucial for the transmission control module to determine the appropriate gear shifts and ensure optimal performance.

OBDII Code P0718 Ford - Transmission Speed Sensor Noise Interference
P0718 Ford Code - Transmission Speed Sensor Noise Interference

Common Causes of P0718 Ford

  1. Electrical interference from nearby components
  2. Damaged wiring or connectors
  3. Faulty transmission speed sensor
  4. Internal transmission issues
  5. ECU malfunction

Symptoms of P0718 Ford

  1. Erratic or delayed gear shifts
  2. Harsh shifting
  3. Transmission slipping out of gear
  4. Limp mode activation
  5. Illumination of the Check Engine Light

How to Fix P0718 Ford

  1. Begin by diagnosing the specific cause of the noise interference, which may involve testing the transmission speed sensor, inspecting wiring and connectors, and checking for any internal transmission problems.
  2. Repair or replace any damaged wiring or connectors that may be causing the interference.
  3. Replace the transmission speed sensor if it is found to be faulty.
  4. Clear the diagnostic trouble codes from the vehicle's ECU and test drive the vehicle to ensure proper operation.
  5. If the issue persists, further diagnostics or repairs may be necessary, such as checking for internal transmission problems or addressing any ECU malfunctions.

Cost to Fix P0718 Ford

The typical repair costs for addressing a transmission speed sensor noise interference issue can range from $150 to $400, including parts and labor. However, the specific costs can vary depending on the extent of the problem, the vehicle's make and model, and the labor rates at the auto repair shop. It is advisable to consult with a professional technician to get an accurate estimate based on your specific circumstances.

When is the Code Detected?

Vehicle speed sensor above 1 MPH and the ECM detected the trans speed sensor signal contained noise

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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