2003 Ford Expedition "radio security codes err" Questions

for anyone reading this in a similar situation - this information applies to many vehicles and radio types as many manufacturers have a similar security feature - not just Ford. Thanks for using FixYa

...security code on the radio It is now flashing Err continually I tried disconnecting the battery but it is still showing Err Any tips turn key to turn radio will blink err. leave on for at least half ...

...radio code As a security measure, any time the battery is disconnected, the radio is Locked Out, and will not function until the security code is entered on the radio itself. Furthermore, after 3 ...

...radio is flashing err. The code was entered incorrectly. How dip i reset to enter correct code? The security code was entered incorrectly and now screen flashes err. How do i reset so can enter ...

...security code to unlock the radio. I bought the car used and unfortunatly do not have the code used by the original owner and have been unable to track him down for it. Is there anyway I can bypass ...

...security code for the radio will not work.it ask for a 3 digit code and ive tryed what i had in the owners manual 8 times and still get err. and sec comes back on try 000 if still tripped unhook batt ...

Radio wont work has err message. Would not dispay the word code to enter the code so I diconnected the battery and reconnected it. Now the hazard lights are flashing and the car will not start. Anyone

...radio does not ask for the code, we only have the letters ERR on the screen. Thank you Graeme. The dealer has to send the radio out to their authorized service rep to hve the EPROM in the radio ...

...radio. If the incorrect security number is XXXXX into the unit, "Err" will appear followed by "CODE" and there will be several audible beeps. If this happens, repeat the security entering procedure ...

...security code is entered on the radio itself. Furthermore, after 3 tries, it wont even accept the code on the radio display, showing the ERR condition. Check for a sticker with the radio code inside ...