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TransmissionSeverity Medium: diagnose soon

P0712Transmission Fluid Temperature Sensor "A" Circuit Low

What it means

The transmission fluid temperature signal is too low (reads impossibly hot).

Symptoms

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

Common causes

  • Sensor or wiring shorted to ground

What to check first

  1. Check live data with a cold gearbox
  2. Measure the sensor resistance
  3. Check the internal harness
Can I drive with P0712? 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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P0712: questions and answers

What does P0712 mean?

P0712: Transmission Fluid Temperature Sensor "A" Circuit Low. The transmission fluid temperature signal is too low (reads impossibly hot).

What are the symptoms of P0712?

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

What causes P0712?

Sensor or wiring shorted to ground.

How do you diagnose P0712?

1. Check live data with a cold gearbox 2. Measure the sensor resistance 3. Check the internal harness

Can I drive with P0712?

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