The contact owns a 2007 Dodge Caliber. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the rear passenger side. The contact looked in the rearview mirror and saw sparks coming from the rear passenger side. The contact pulled over, and upon inspection, the contact noticed that the rear passenger's side tire was inward and the cross member was corroded. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The contact related the failure to TSB Number: 23-012-14 Front And Rear Crossmember Corrosion (X58 10 Years Unlimited Mileage). The failure mileage was unavailable.