Forum Discussion
wilber1
Jun 25, 2015Explorer
gmcsmoke wrote:wilber1 wrote:
Wheel spin is caused by excess torque at the wheel and traction control works to manage that torque. If you look at RobertRyan's post, three of the methods used involve reducing engine output and the other BS's the differential into transferring torque to another wheel.
Whether it is used to limit wheel spin or prevent parts from breaking, it is still torque management.
you're not even close to describing TQ management. TQ management is controlled by the ECM and TCM based on the throttle wires position all of this is occurring well before any power or fuel is being added to the engine or transferred to the rear wheels. Traction control is when one wheel spins more than the other causing the ECM and ABS to reduce engine power and apply the brakes to control the vehicle.
You can turn off traction control and power brake till your hearts content but you can't run WOT from a red light get wheel spin due to TQ management.
Your analogy of TQ management and traction control is like saying an exhaust brake is the same as ABS; both slow the vehicle down without locking the tires up.
No, I am saying both systems manage torque and they do. If you don't think an exhaust brake can lock up your wheels, try using it on a slippery surface. It doesn't manage torque or provide anti lock protection at all.
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