Engine-CodesGeneric – P0718

P0718 Code - Input/Turbine Speed Sensor Circuit Intermittent

Quick Answer

The diagnostic trouble code P0718 indicates an issue with the Input/Turbine Speed Sensor Circuit being intermittent. Common causes include Faulty Input/Turbine Speed Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit. 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 indicates Input/Turbine Speed Sensor Circuit Intermittent.
Common causes
Common causes include Faulty Input/Turbine Speed Sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit.
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 09, 2024
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Code P0718 Description

The diagnostic trouble code P0718 indicates an issue with the Input/Turbine Speed Sensor Circuit being intermittent. The Input/Turbine Speed Sensor is a vital component of the vehicle's transmission system, responsible for monitoring the speed of the input shaft and turbine inside the transmission. This sensor provides crucial data to the vehicle's onboard computer system to ensure proper shifting and overall performance of the transmission.

OBDII Code P0718 - Input/Turbine Speed Sensor Circuit Intermittent
P0718 Code - Input/Turbine Speed Sensor Circuit Intermittent

Common Causes of P0718

  1. Faulty Input/Turbine Speed Sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. Issues with the vehicle's computer system
  5. Transmission fluid contamination or low fluid level

Symptoms of P0718

  1. Erratic shifting
  2. Harsh shifting
  3. Delayed engagement
  4. Transmission slippage
  5. Illuminated Check Engine Light

How to Fix P0718

  1. Diagnose the issue by using a scan tool to retrieve the trouble codes and checking the input/turbine speed sensor for proper operation.
  2. Inspect the wiring and connectors in the sensor circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the vehicle's computer system to ensure it is receiving the correct signals from the sensor.
  4. Replace the Input/Turbine Speed Sensor if it is found to be faulty.
  5. Clear the trouble codes, reset the vehicle's computer system, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0718

The cost of repairing the Input/Turbine Speed Sensor Circuit Intermittent issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of replacing the Input/Turbine Speed Sensor can range from $150 to $300, including parts and labor. Additional costs may apply if wiring repairs or computer system diagnostics are required. It is recommended to consult with a trusted auto repair shop for a more accurate estimate tailored to your vehicle's make and model. Keep in mind that labor rates can fluctuate based on location, vehicle complexity, and technician expertise.

When is the Code Detected?

Diagnostic Trouble Code (DTC) P0718 is detected when TCM or ECM receives and intermittent signal from the sensor.

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Code P0718 Information for Specific Makes

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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