reprogramming a fob to a different ecu?

[L.J]

changed the ecu in my hdi and the central locking no longer works
anyway I can reprogram the old fob so the remote locking works again?

[cully]

a little mor info in what you have changed done in regards the
immo chip /ecu/BSI/RCL fob

[L.J]

Sorry, ecu, bsi and chip in the key were changed. The green pcb was not changed as they didnt have it in their key unfortunately

[cully]

if you didnt get the green circuit board from the doner
did you get the doner car security code or vin number?

you will need the doner security code to program new RCL boards to the BSi/ECU

if you have not got the security code you can get it from Peugeot or some websites for a fee by supplying the doner cars VIN

some used RCL green boards can be programed using peugeot planet software,some can not its pot luck,
the garrenteed way is to use a new virgin fob RCL board

[DeeTurbo]

I thought all 306 fobs could be learnt by the BSI and it's only the newer cars with the multiplex system that are a bit hit and miss?

I've used http://www.peugeotcodes.com/ in the past, but you will need to supply them the VIN of the doner vehicle.

You will also need access to PeugeotPlanet to make the changes.

Where about are you as there might be forum member nearby that may have it and might be able to help.