A faulty navigator antenna could cause this to happen. Check the antenna by performing a reboot. Take out the negative battery cable and wait for five minutes before connecting it. Try starting the vehicle and check the navigation system. If it fails to work, one may have to take the vehicle to a dealer to examine the problem first hand. Ford Mechanic: sean. Hello again, use buttons 1 to 4 to input the code, use button 1 for the first digit, 2 for the second, and so on, once the code 4401 is displayed press button 5, this should enter the code. Best wishes, Sean. Hi All, We have a Mondeo Mk3 2.0Tdci 130 on a 54 plate that is sitting outside of our house going no-where. And we are sick to death of trying to sort this problem out. it started about a 3 weeks ago when out of the blue it started asking all of the time for the code for the radio. 2,200 Answers. Yes - there is a solution here. The problem here is that you must leave continuous power to the radio. Any interruption causes the countdown or wait period to start all over again. The secret is to ensure the key is turned in the ignition to accessories point I or the first point on the ignition that activates power to the radio. Ford Model: Mondeo. Posted February 16, 2009. I purchased a Mondeo Titanium X 2.0 Diesel last October and has 4,000 on the clock. On two occasions, whilst driving, I have lost some of the functionailty on the Convers+ computer. The radio, phone display disappears leaving only the trip computer and settings functionality. QujU.

ford mondeo radio display not working