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P0710 is a diagnostic trouble code (DTC) for "Transmission Fluid Temperature Sensor Circuit Malfunction". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
A P0710 trouble code is related to a vehicle’s automatic transmission fluid temperature sensor that monitors the fluid temperature to help protect from overheating.
P0710 is an OBD-II generic code for a voltage issue with the transmission fluid temperature sensor often found in automatics. When the code is triggered, the voltage from the sensor being read by the transmission control unit (TCU) is outside of the manufacturer’s parameters. This may mean your transmission is overheating, or the sensor is faulty.
The most common causes for a P0710 are:
Most symptoms associated with a P0710 are no more serious than a check engine light, but not all cases are equal. Some vehicles may place the transmission in “limp-mode” that limits shift points and purposely limits performance.
Your mechanic will first locate your vehicle’s transmission temperature sensor to test it both visually, and with a digital multi-meter. If the sensor and its associated wiring appear significantly damaged, or if the sensor does not send out a five volt signal, it will need to be replaced. If the sensor appears and test fine however, your mechanic will trace the temperature sensor circuit to repair a damaged wire and or connection.
As with most transmission trouble codes, the fluid will be checked for being low or dirty.
Depending on how the vehicle is driving and the condition of the transmission fluid, the P0710 may be a stored code from a previous issue that was already mechanically resolved. It’s wise to clear the code and reset the engine computer before further troubleshooting to ensure the code returns.
A P0710 may not be serious if the sensor simply has gone bad. However, more worrisome would be if the transmission went into “limp-mode” with a P0710 as that could indicate a more serious mechanical problem.
When dealing with transmission temperature problems, you should act fast to catch the problem as early as possible.
The most common repairs for a P0710 are as follows:
A P0710 air bag code should be associated with an automatic transmission and most manuals do not come with a temperature sensor.
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