Tl* the contact owns a 2008 scion xd. the contact was driving 35 mph during inclement weather when the tcs (traction control light) illuminated. the contact took the vehicle to the dealer for diagnostic testing, which determined that the rear wheel traction sensor needed to be replaced. the vehicle was not repaired. the contact stated that the abs, brake and tcs light were illuminated due to the faulty traction sensor. the failure mileage was 60,000.