What does P0715 mean?
This code comes from the transmission control system. The input speed sensor measures how fast the transmission input shaft is spinning.
The computer has detected an electrical fault in the sensor circuit.
Codes are a starting point. They tell you which test failed, not which part to replace. Check for other stored codes and fix those in a sensible order.
Symptoms
- Check engine light
- Harsh, late or erratic shifting
- Transmission stuck in one gear (limp mode)
- Flare between gears
Common causes
- Open or shorted wiring
- Corroded or loose connector
- Failed sensor
- Blown fuse or reference voltage issue shared with other sensors
How to diagnose P0715
- Look for other codes that share the same 5 V reference circuit.
- Inspect the connector and wiring, then check reference, ground and signal voltages.
- Replace the sensor only after the wiring tests good.
- Check fluid level and condition using the correct procedure for your transmission.
- Read codes from the transmission module itself, not just the engine computer.
How to fix it
- Correct the fluid level and service the fluid
- Repair wiring
- Replace the solenoid or valve body
- Repair or replace the transmission if worn
Estimated repair cost
Likely repairs for P0715 run from about $150 to $5,500, depending on the cause.
| Repair | Typical range (parts + labor) |
|---|---|
| Diagnostic fee (scan + testing) | $100 - $200 |
| Transmission fluid and filter service | $150 - $400 |
| Transmission solenoid / solenoid pack | $300 - $900 |
| Transmission rebuild or reman unit | $2,500 - $5,500 |
These are rough US estimates for an independent shop in 2026, based on typical parts prices and standard labor times. Dealers, big trucks, luxury brands and high-cost areas often run higher. They are not quotes. Use the repair cost estimator to adjust for your vehicle.
How serious is P0715?
High severity
Limp mode often locks the transmission in one gear. Drive gently and only as far as the shop.
P0715 FAQ
What does P0715 mean?
P0715 stands for "Input/Turbine Speed Sensor "A" Circuit". This code comes from the transmission control system.
Can I drive with a P0715 code?
Limp mode often locks the transmission in one gear. Drive gently and only as far as the shop.
How much does it cost to fix P0715?
It depends on the cause. The likely repairs for P0715 range from about $150 to $5,500 at an independent shop in the US, plus a diagnostic fee of roughly $100-$200. These are rough estimates; dealer prices and some vehicles run higher.
What is the most common cause of P0715?
The most common causes are: open or shorted wiring; corroded or loose connector; failed sensor.