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Engine-Codes – Generic – P0714

P0714 Code - Transmission Fluid Temperature Sensor 'A' Circuit Intermittent

Quick Answer

The P0714 diagnostic trouble code (DTC) indicates a problem with the Transmission Fluid Temperature Sensor 'A' Circuit Intermittent. Common causes include Faulty Sensor: The most common cause of the P0714 code is a malfunctioning transmission fluid temperature sensor, Wiring Issues: Damaged or corroded wiring connections between the sensor and the ECM can lead to intermittent communication issues, ECM Malfunction: A problem with the engine control module (ECM) can also trigger this code if it cannot properly receive data from the 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
P0714 indicates Transmission Fluid Temperature Sensor 'A' Circuit Intermittent.
Common causes
Common causes include Faulty Sensor: The most common cause of the P0714 code is a malfunctioning transmission fluid temperature sensor, Wiring Issues: Damaged or corroded wiring connections between the sensor and the ECM can lead to intermittent communication issues, ECM Malfunction: A problem with the engine control module (ECM) can also trigger this code if it cannot properly receive data from the 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P0714 Description

The P0714 diagnostic trouble code (DTC) indicates a problem with the Transmission Fluid Temperature Sensor 'A' Circuit Intermittent. This sensor is responsible for monitoring the temperature of the transmission fluid in automatic transmission vehicles. The sensor sends data to the vehicle's engine control module (ECM) to help regulate the transmission fluid temperature.

OBDII Code P0714 - Transmission Fluid Temperature Sensor 'A' Circuit Intermittent
P0714 Code - Transmission Fluid Temperature Sensor 'A' Circuit Intermittent

Common Causes of P0714

  1. Faulty Sensor: The most common cause of the P0714 code is a malfunctioning transmission fluid temperature sensor.
  2. Wiring Issues: Damaged or corroded wiring connections between the sensor and the ECM can lead to intermittent communication issues.
  3. ECM Malfunction: A problem with the engine control module (ECM) can also trigger this code if it cannot properly receive data from the sensor.
  4. Low Transmission Fluid Level: Insufficient transmission fluid can affect the sensor's readings and trigger the P0714 code.

Symptoms of P0714

  1. Check Engine Light: The most common symptom associated with the P0714 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Erratic Shifting: The transmission may shift erratically or harshly due to incorrect temperature readings from the sensor.
  3. Decreased Fuel Efficiency: A faulty transmission fluid temperature sensor can lead to decreased fuel efficiency as the transmission may not operate optimally.
  4. Transmission Overheating: In severe cases, the transmission may overheat due to inaccurate temperature readings, leading to potential damage.

How to Fix P0714

  1. Diagnose: Use a scan tool to retrieve the DTC and inspect the transmission fluid temperature sensor and its wiring for any visible damage.
  2. Replace Sensor: If the sensor is faulty, replace it with a new one following manufacturer guidelines.
  3. Check Wiring: Inspect the wiring harness for any breaks, corrosion, or loose connections, and repair or replace as needed.
  4. Reset Fault Codes: Clear the DTC using a scan tool and test drive the vehicle to ensure the issue has been resolved.
  5. Test Transmission: Monitor the transmission fluid temperature sensor readings to confirm proper operation.

Cost to Fix P0714

The cost of repairing the Transmission Fluid Temperature Sensor 'A' Circuit Intermittent issue can vary depending on the vehicle make and model, as well as the location and labor rates of the repair shop. On average, the parts for a new sensor can range from $50 to $150, with labor costs typically adding another $100 to $200. Therefore, the total repair cost could be anywhere between $150 to $350. It's recommended to contact local auto repair shops for a more accurate estimate based on your specific vehicle and location.

When is the Code Detected?

Transmission Control Module (TCM) detects an intermittent voltage from the fluid temperature sensor.

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Code P0714 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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