P0710 on Toyota Corolla E140: Transmission Fluid Temperature Sensor A Circuit Malfunction

Short answer: P0710 means “Transmission Fluid Temperature Sensor A Circuit Malfunction”. The car’s computer has found a fault in the AT (gearbox) system and turns on the Check engine light (MIL). First check: read the code with a scanner that can read the gearbox computer.

Standard OBD-II code Same meaning on all cars (SAE J2012). Not checked against this car’s factory manual.

Code

P0710

System

AT (gearbox)

Dashboard light

Check engine light (MIL)

Applies to

Generic OBD-II meaning. Not every code is used by this car.

Confidence

medium (generic OBD-II definition, not checked against the factory manual for this car)

Source

obd-codes.com

Symptoms and when it is set

1. Check engine light on

Likely causes

1. Faulty transmission fluid temperature sensor
2. Transmission problems
3. Wiring problems
4. Faulty PCM

What to check, in order

1. Read the code with a scanner that can read the gearbox computer
2. Check the gearbox fluid level and condition with the correct procedure
3. Check the connector and wiring at the gearbox
4. Have a gearbox specialist confirm before replacing parts

Related on this car

• All fault codes for this car
• Warning lights
• Where the parts are (parts map)
• Common problems

Same code on other cars

• P0710 · Toyota Passo (1st gen)
• P0710 · Toyota Vitz (1st gen)
• P0710 · Toyota Corolla (9th gen, E120)
• P0710 · Toyota Corolla (11th gen, E170)
• P0710 · Honda City (5th gen, GM2)
• P0710 · Honda Civic (10th gen, FC)
• P0710 · Suzuki Wagon R (Pakistan, K10B)
• P0710 on all cars compared

← P0705 P0715 →

Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.