Hello got a 2007 2.4 got about 169000 on it and replaced both front hubs about 30000 miles ago .. well doing 65 mph on the highway and I hit a bump it turn on the service traction on the dash .. there is no hard shifting runs normal and if I turn the car off it goes back to normal .. it only happens when I hit that bump at that speed real weird .. I read a lot post here trying to figure it out .. any inputs thanks

 

The computer sensed 1 or 2 wheels turning at a different speed, same as braking on ice.

 

X2^^^^

 

should it go off while driving or it only reset turn the car off and on ?

 

Unless it is something else got broken it should go out by itself, sometimes a restart.