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DSC = Dynamic Stability Control....or traction control
No they are not the same.
- TSC ensures a proper longitudinal friction (front to back) of the tires during acceleration. It's use the same wheel sensors as with ABS and controls the engine output (and eventually brake force)
- DSC ensure a proper lateral friction (side skidding) of the tires during cornering. Beside the wheel sensors, it needs a yaw sensor/lateral accelerometer which are not required by the TSC. It controls mostly the brake force.

N/A do not get both features.
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