P0713 – Transmission Fluid Temperature Sensor Circuit High Input DTC Trouble Code

If a P0713 diagnostic trouble code triggers a warning light, it means that either the transmission fluid temperature sensor has failed, or the ATF temperature has reached an unacceptable level.

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What Transmission Do I Have?

How Serious is the Code?

If the cause of the P0713 trouble code is a failed TFT sensor, then it could cause the ECU to send the transmission into Limp Mode, where the gearbox is locked into a single forward gear. If the problem has to do with the transmission fluid temperature sensor, then the internal components could become damaged from the temperature fluctuation.

Symptoms

It’s not uncommon to see the following symptoms of a P0713 DTC code:

  • Check engine light
  • Overheated transmission
  • Smoke from transmission
  • Slipping
  • Harsh, delayed or erratic gear changes
  • Torque convertor lockup malfunctions
  • Limp Mode

Causes

The most common causes of a P0713 trouble code include:

  • Faulty transmission fluid temperature sensor
  • Dirty transmission fluid and/or dirty transmission filter
  • Low transmission fluid levels
  • A transmission fluid leak
  • Corroded or damaged wiring connectors
  • A short, damaged or corroded wiring

How to Diagnose the Code?

As transmission fluid wears out, it looses the ability to remove heat. So this should be the first place to start on the investigation process. If nothing is wrong with the ATF, then check the ECU fo other store codes that might help narrow down the problem. The wiring harness should also be carefully inspected for damage, shorts and corrosion.

Common Mistakes When Diagnosing

Ignoring dirty transmission fluid is the first mistake made when diagnosing a P0713 DTC. Not thoroughly checking the wiring for a short is the second.

What Repairs Will Fix P0713?

  • Replace the transmission fluid temperature sensor
  • Change the transmission fluid and filter
  • Repair transmission fluid leaks
  • Find and fix any damaged wiring or shorts
  • Replace any corroded or damaged connectors

Related Codes

P0710 – Transmission Fluid Temperature Sensor Circuit

P0711 – Transmission Fluid Temperature Sensor Circuit Range/Performance

P0712 – Transmission Fluid Temperature Sensor Circuit Low Input

P0714 – Transmission Fluid Temperature Sensor Circuit Intermittent

Need a replacement transmission? Get an estimate for replacement transmissions and local installation. Look up your transmission model by vehicle make and model.

What Transmission Do I Have?

Links To Diagnostic Codes

Links To Symptoms

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