P0716
Input/Turbine Speed Sensor "A" Circuit Range/Performance
The transmission input/turbine speed sensor signal is implausible compared to engine RPM and current gear ratio. Often caused by a failing sensor, debris on the reluctor, or wiring noise.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
Ordered by how often each turns out to be the cause.
- Input speed sensor failedCommon
- Wiring/connector faultPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Transmission Input Speed Sensor
- Sensor Wiring
P0716 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.