You have the wrong code.
Send me the serial number begins M followed by six numbers. On back of unit.
If you try 10 times the unit will factory lock, there is a way round it though.
www.plymouthsales.co.uk
Dave, March 2011
post the serial off of the radio sounds like you got the wrong code.
and 10x so becareful
then mail me at codehelp(at)hotmail.co.uk