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      09-15-2014, 07:37 PM   #11
The HACK
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Drives: 2006 MZ4C, 2021 Tesla Model 3
Join Date: Oct 2007
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If both wheels are spinning, neither the mechanical LSD nor the brake simulating eLSD as a function of DTC would engage. Even with the old school, pre-DTC E46, you CAN spin both wheels when traction levels are nearly equal (dry pavement).

Problem is, how do we figure out, if it indeed is pulling the DTC programming to brake the individual wheels, if the car's electronics thinks faster than the LSD's mechanical intervening? Would the DTC mode simply be the same exact thing as DSC off since the brakes wouldn't sense individual wheels slipping (the mechanical LSD would prevent that)?

I suppose, the next test is to see if you can find a patch of road with two different traction levels (half wet, the other half dry) and see how the DTC mode reacts. If it's braking individual wheels, we'll now that it's doing SOMETHING. If not, the next step is to determine if the DTC mode is different from DSC off on track.
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