P0714 Transmission Fluid Temperature Sensor “A” Circuit Intermittent

P0714 – OBD-II Trouble Code Technical Description

Trouble code P0714 indicates an intermittent signal in the transmission fluid temperature sensor circuit.

What does the fault code mean P0714?

Trouble code P0714 indicates a loose connection problem in the transmission fluid temperature sensor circuit. This means that the automatic transmission control module (PCM) has detected an incorrect or unreliable signal value from the transmission fluid temperature sensor.

Possible reasons

Several possible reasons for the P0714 trouble code:

• Faulty transmission fluid temperature sensor: The sensor itself may be damaged or faulty, resulting in an incorrect or unreliable temperature signal.
• Wiring and connectors: Poor contact, corrosion, or breaks in the wiring or connectors connecting the temperature sensor to the control module can cause the P0714 code.
• Problems with the control module: A malfunction in the automatic transmission control module (PCM) can cause the signal from the temperature sensor to be incorrectly interpreted.
• Transmission overheating: Overheating of the transmission can cause the temperature to be read incorrectly. In this case, the problem may be due to insufficient cooling or other problems in the transmission cooling system.
• Software problems: Sometimes problems with the software or settings of the control module can cause the P0714 code to erroneously trigger.

To accurately identify the cause, it is necessary to carry out additional diagnostics, which includes checking the temperature sensor, wiring, connectors, control module and other transmission components.

What are the symptoms of a fault code? P0714?

Symptoms for a P0714 trouble code may vary depending on the specific cause of the problem and the characteristics of the vehicle, but typically include the following:

1. Illuminates the Check Engine indicator: Code P0714 usually causes the Check Engine light to turn on on your vehicle's dashboard.
2. Unusual transmission operation: The automatic transmission may not operate properly, such as unusual gear shifts, difficulty shifting, or jerky driving.
3. Increased fuel consumption: If the transmission is not operating properly and the transmission fluid temperature signals are incorrect, higher fuel consumption may occur.
4. Gearshift problems: The vehicle may experience difficulty shifting gears or noticeable delays when doing so.
5. Transmission overheating: If the cause of the P0714 code is transmission overheating, signs of overheating may appear such as increased engine temperature, abnormal odors, or even vehicle failure.

These symptoms may occur in varying degrees or in combination with each other. It is important to pay attention to any unusual vehicle operating symptoms and run diagnostics to determine the exact cause of the problem.

How to diagnose a fault code P0714?

To diagnose DTC P0714, you can follow these steps:

• Checking the error code: Use a diagnostic tool to read the P0714 code from the automatic transmission control module (PCM). This will allow you to determine what exactly caused the code to appear.
• Visual inspection of the sensor and its surroundings: Inspect the transmission fluid temperature sensor and its wires for visible damage, corrosion, or breaks. Make sure the sensor connector is well connected and undamaged.
• Sensor resistance measurement: Using a multimeter, measure the resistance at the transmission fluid temperature sensor terminals. Compare the resulting value with the manufacturer's recommended values.
• Checking wiring and connectors: Check the wiring connecting the temperature sensor to the control module for poor connections, breaks or corrosion. Check the integrity of wires and connections.
• Diagnostics of the control module: If other components appear fine, the problem may be with the control module (PCM). Diagnose the PCM to ensure it is not faulty.
• Checking the cooling system: If the problem is due to overheating of the transmission, check the cooling system for leaks and the operation of the fan and thermostat.
• Professional diagnostics: If there are difficulties or insufficient experience, it is recommended to contact a professional auto mechanic or car service center for more detailed diagnosis and elimination of the problem.

Taking these steps will help you identify the root cause of the P0714 code and determine what steps to take to resolve it.

Diagnostic errors

When diagnosing DTC P0714, the following errors may occur:

• Skip visual inspection: Failure to pay close attention to visually inspecting the sensor and its wires may result in obvious damage or problems being missed.
• Incorrect resistance measurement: Inability or incorrect use of a multimeter when measuring the resistance of a temperature sensor can lead to inaccurate results and incorrect interpretation of the data.
• Wiring fault: It is necessary to carefully check all wiring and connectors, not just those that are directly visible. Missing hidden problems in the wiring can lead to further complications.
• Incorrect diagnosis of the control module: The cause of the problem may not be in the sensor itself, but in the control module. Failure to properly diagnose this component may result in replacement or repair of unnecessary parts.
• Skip cooling system check: If the cause of the error is related to transmission overheating, but was not detected during the cooling system diagnosis, this may cause the problem to continue even after the sensor is replaced.
• Ignoring professional help: If you are not confident in your skills or difficulties arise, it is important to contact a professional auto mechanic for more accurate diagnosis and repair.

Avoid these mistakes by following the recommendations of professionals and carefully performing each diagnostic step.

How serious is the fault code? P0714?

The severity of the P0714 trouble code can vary depending on your specific circumstances, there are several factors to consider when assessing the severity of this problem:

• Impact on vehicle performance: If the transmission fluid temperature sensor is not functioning correctly, it can cause the automatic transmission to become unstable. This may result in improper gear shifting, delayed shifting, or other problems that may make the vehicle difficult to control.
• Possible consequences of overheating: If the cause of P0714 is due to an incorrect reading of the transmission fluid temperature, it can cause the transmission to overheat. Overheating can cause serious damage to the transmission and other components, which may require costly repairs.
• Safety: A malfunctioning automatic transmission can affect your driving safety, especially if shifting problems occur while driving on the road or highway.

Overall, trouble code P0714 should be considered a serious problem that requires careful diagnosis and repair. The faster the problem is identified and fixed, the less likely it is that there will be serious damage to the transmission and other vehicle systems. If you encounter this error code, it is recommended that you contact a qualified auto mechanic for diagnosis and repair.

What repair will help eliminate the code? P0714?

Troubleshooting the P0714 trouble code may involve several possible repair actions, depending on the specific cause of the problem, some of which are:

1. Replacing the transmission fluid temperature sensor: If the sensor is damaged or faulty, it must be replaced with a new one. Typically the sensor is installed in the transmission housing and is easily accessible for replacement.
2. Repair or replacement of wiring: If the problem is caused by damaged wiring or connectors, they will need to be replaced or repaired. This may include replacing damaged wires, cleaning up corrosion, or replacing connectors.
3. Diagnostics and replacement of the control module: In rare cases, the cause of the P0714 code may be due to a faulty control module (PCM). In this case, additional diagnostics may be required to determine the malfunction, and, if necessary, replacement of the control module.
4. Checking the cooling system: If the cause of the error is due to overheating of the transmission, you need to check the cooling system for problems. This may include checking for leaks, fan and thermostat functionality, and the condition of the transmission cooler.
5. Professional diagnostics and repair: In case of difficulties or insufficient experience, it is recommended to contact a professional auto mechanic or car service center to perform additional diagnostics and repairs.

The choice of a specific repair action depends on the diagnostic results and the identified cause of the problem.

How to Diagnose and Fix P0714 Engine Code - OBD II Trouble Code Explain

P0951 – Brand-specific information

The specific definitions of the P0714 trouble code may vary depending on the vehicle manufacturer; there are several meanings for this error code for some popular car brands:

• Ford, Lincoln, Mercury: P0714 – Transmission fluid temperature sensor – open or short circuit
• Chevrolet, GMC, Cadillac: P0714 – ATF Temperature Sensor – Invalid Signal
• Toyota, Lexus, Scion: P0714 – Transmission Temperature Sensor “A” – No Signal
• Honda, Acura: P0714 – ATF Temperature Sensor “A” – Low Input
• BMW, Mini: P0714 – ATF temperature sensor “A” – open or short circuit
• Volkswagen, Audi, Porsche: P0714 – ATF Temperature Sensor “A” – Invalid Signal

These are just a few examples. For accurate information on deciphering the P0714 code for a specific vehicle make and model, it is recommended that you consult the repair or service manual for that vehicle brand.