Hi Corky
Iv spoken to several BT/Toyota engineers who have told me code c21 isnt listed i then asked Tec services for you at BT who told me the same. the procedure your following for programming are you using a can key to do this? also if you have the info on c21 could you write it down in this forum so i could read what it describes...
Im sure some one on here will be able help.
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