Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Turbine Shaft Speed (TSS) Sensor
The Turbine Shaft Speed (TSS) sensor is located on the transaxle housing over the input shaft.
The TSS sensor is an inductive sensor which senses the speed of rotation of the input shaft.
The signal is used for the following functions:
- to control the shift operations.
- to control the TCC.
- to check the torque converter slip.
If the TSS sensor fails, the signal of the Output Shaft Speed (OSS) sensor is used as a substitute signal.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.