One problem related to underbody shield has been reported for the 1999 Jeep Wrangler. The most recently reported issues are listed below.
The contact owns a 1999 Jeep Wrangler. The contact stated that the undercarriage and frame were corroded. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The VIN was not available. The approximate failure mileage was 110,000.