Got a 2013 tC that was wrecked from a front end collision. The issue I'm having after getting it fixed is that the TRAC control button is working intermittently.
Sometime is will light up on the dash and then when it does it will go off in about 5 sec sitting still. Not sure if a sensor got damaged in the wreck.

Any info would be appreciated.

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In my experience it only works under ~30mph then it turns itself back on. I believe it works in conjunction with the ABS sensors, do you have any brake dash lights, speedo errors or braking issues? I haven't noticed the traction control being invasive on this car at all though (unlike my previous mazda6 that would cut on anytime you turned left at a street light). Why are you trying to disable it?