Powertrain
generic / SAE
P0717
Input/Turbine Speed Sensor Circuit No Signal
TCM detects no signal from the input/turbine speed sensor while the engine is running and the transmission is in gear. Without this signal the TCM cannot compute slip, and the transmission usually enters limp mode.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 17
Possible causes
- Input speed sensor failed high
- Wiring or connector fault 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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 150–900 €
- Estimated time: 1–5 h
- Component: input speed sensor
- Component: sensor wiring
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012