keypad wont except code

Talk about the 406's electrical system, what wires do what, how to add extra functionality, etc.

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b6syd
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keypad wont except code

Post by b6syd »

i have just changed my engine in my diesel 406 but the keypad wont except my code please help
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fairlight08
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Re: keypad wont except code

Post by fairlight08 »

what year is your car?
also do u know the age of the engine u have just put in?
i would imagne its something to do with the ecu do you still have your old engine?
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teamster1975
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Re: keypad wont except code

Post by teamster1975 »

b6syd wrote:i have just changed my engine in my diesel 406 but the keypad wont except my code please help
Did you fit the ECU from the donor car? They are matched, you won't get it to work otherwise.
1996 406 1.8LX Got a bad case of hydro lock!
1996 406 Executive 2.0 Turbo XU10J2TE No longer hangin' on in there :(
1997 Honda CB500V
2003 Volvo V40 1.8 GDi SE killed by a nutter in a beemer 5 series
2008 Mondeo 2.0 TDCi Titanium X

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mjb
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Re: keypad wont except code

Post by mjb »

As long as you still have the old ECU it should be possible to get the new one re-programmed to speak to the immobiliser. Chances are it's just a stored serial number, probably the chassis or engine's.
<steve_earwig> I think this forum is more about keeping our cars going with minimal outlay than giving our cars more reason to go bang
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