radio code

[pug306driver]

trying to insert pic........is this unit a standard fitment for a 306 ph 3 hdi 1999/2000?

im up to error nine on the radio code, and have disconnected the unit, re connected and still error nine.

how do I reset the unit to start again with the radio code and how do I get to re code it via the units keypad??

all help greatly appreciated

have just tried radio code it on line and this unit is not listed