What does code P0715 mean on a Alfa Romeo and is it safe to drive?
P0715: Input/Turbine Speed Sensor Circuit Malfunction. Here’s what it means on your Alfa Romeo, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
The TCM is not getting a valid signal from the input speed sensor. Affects shift timing and torque converter lockup.
Common causes for your Alfa Romeo
- Failed input speed sensor
- Wiring or connector fault
- Internal transmission issue
Symptoms
- Check Engine Light
- Erratic shifting
- May not shift out of certain gears
Typical fixes
- Replace input speed sensor
- Repair wiring
- Inspect internal components if sensor is OK
Repair cost range
For a Alfa Romeo, repairs for P0715 often fall between $150 and $800, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.