P0715 on Toyota Corolla E170: Input/Turbine Speed Sensor A Circuit Malfunction

Short answer: P0715 means “Input/Turbine Speed 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

P0715

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. Potential causes for this code to set are
2. Defective input speed sensor
3. Faulty output speed sensor
4. Damaged, worn, or broken reluctor ring or shaft
5. Bad transmission torque converter
6. Loose, burned, or otherwise damaged wiring and/or connectors
7. PCM failure or programming error

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

• P0715 · Toyota Passo (1st gen)
• P0715 · Toyota Corolla (10th gen, E140)
• P0715 · Honda City (5th gen, GM2)
• P0715 · Honda Civic (10th gen, FC)
• P0715 · Suzuki Wagon R (Pakistan, K10B)
• P0715 on all cars compared

← P0710 P0720 →

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.