Tire Pressure Monitoring System problems of the 2010 Ford F-350

The contact owns a 2010 Ford F-350 sd. The contact stated that the low tire pressure indicator light was constantly illuminated. As a result, the contact was unable to determine if the proper amount of air was within the tires. The vehicle was taken to an authorized dealer, where they refused to diagnose the failure because the vehicle was equipped with aftermarket wheels. The manufacturer was made aware of the failure, but offered no assistance. The vehicle was not repaired. The failure mileage was 12,000. The VIN was unavailable. Updated 11/18/lj.