Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Code P0713, Transaxle Temp Sensor High Temp Indicated: Notes
Transaxle temperature sensor uses a thermistor to vary signal voltage to PCM according to temperature. PCM applies and monitors a voltage to sensor. When transaxle fluid is cold sensor resistance is high. Thus, PCM will monitor a high signal voltage. As transaxle fluid warms, sensor resistance becomes less and voltage drops. At normal operating temperature of 68°F-194°F (20°C-90°C) transaxle temperature signal will measure approximately 2-4 volts.
Code P0713 will set when following conditions are present.
- Engine run time is over 1 minute.
- Transaxle temperature sensor signal indicates a temperature greater than 284°F (140°C).
- Above conditions for over 1.6 second.
With Code P0713 set, PCM will substitute ECT sensor value for transaxle temperature. Tech 1 will continue to display actual transaxle sensor value. Code P0713 does not illuminate Malfunction Indicator Light (MIL).
- Determines if conditions necessary to set Code P0713 exist.
- This test determines if input circuit is shorted to ground which will cause conditions necessary for Code P0713.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.