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TransmissionSeverity Medium: diagnose soon

P0710Transmission Fluid Temperature Sensor "A" Circuit

What it means

The ECU sees an electrical fault in the transmission fluid temperature sensor circuit.

Symptoms

  • Harsh, late or missing shifts
  • Transmission in limp mode (stuck in one gear)
  • Gearbox or check engine warning light

Common causes

  • Faulty sensor (often part of the internal harness)
  • Wiring or connector fault
  • Fluid in the connector

What to check first

  1. Compare fluid temperature with coolant temperature after a cold soak
  2. Measure the sensor resistance at the gearbox connector
  3. Inspect the connector
Can I drive with P0710? Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

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P0710: questions and answers

What does P0710 mean?

P0710: Transmission Fluid Temperature Sensor "A" Circuit. The ECU sees an electrical fault in the transmission fluid temperature sensor circuit.

What are the symptoms of P0710?

Harsh, late or missing shifts. Transmission in limp mode (stuck in one gear). Gearbox or check engine warning light.

What causes P0710?

Faulty sensor (often part of the internal harness). Wiring or connector fault. Fluid in the connector.

How do you diagnose P0710?

1. Compare fluid temperature with coolant temperature after a cold soak 2. Measure the sensor resistance at the gearbox connector 3. Inspect the connector

Can I drive with P0710?

Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.