Wednesday 19th December 2012
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Many parts on cars need ECU programming, so we've decided to put together a list of some of the common parts that you may come across. It would be great if you could add to this list anymore parts you are aware of, and to comment on them in the box below. We will then publish them here and extend the list to help other mechanics and motorists. We have devised the list including makes and models to be specific. A very common mistake is that people order parts and then fit them only to find out they won't work unless the vehicles onboard computer is aware of them.

What is ECU programming?

Nowadays, most major manufacturers want to ensure quality parts are fitted to certain areas of the vehicle. The ECU stands for electronic computer unit and various ones are situated throughout the vehicle to manage those particular parts. When you want to replace the parts they will need to be programmed to the computer in order for vehicle to work.

You may find that car and van models with electronic displays dated 2007 onwards will need to be reprogrammed through the ECU. Once you have them fitted you may need to ask a specialist diagnosis team to help with the re-programming, maybe even your local dealer. Here are some of the models and parts we have identified below:

1.VW Golf 2010, 2000 cc, TDI – Speedometer

2.Toyota Yaris 2009 – Throttle body

3.All BMW models – even if the Sat Nav is replaced it will need to be reprogrammed via the ECU.

4.Vauxhall Astra 2005 Fuse box

5.Ford Fiesta 2009 power fold wing mirror (the supplier actually learned the hard way that it needs to be reprogrammed)

6. Peugeot 407 2010 clock and all electrical modules, displays

Here is some further information for example on the Vauxhall Range:

Vauxhall Astra H MK5 2004-2010

Engine ECU - the engine ECU will have to be reset and reprogrammed to the new vehicle with the vehicles security details.
UEC ( Underhood electrical center ) - this is will have to be reset, then will also need re-programming to the new vehicle its been fitted to.

Instrument Clocks (Dash clocks) - these will also have to be reset from the donar vehicle, and then be re-programmed.

The Radio CD30 / CD70 / CD30MP3 will need resetting before fitting , then will also require programming in order to work.

Central displays also need reseting and programming.

Vauxhall Corsa D 2006-2011

Engine ECU - the engine ECU will have to be reset and reprogrammed to the new vehicle with the vehicles security details.
UEC ( Underhood electrical center ) - this is will have to be reset , then will also need re-programming to the new vehicle its been fitted to .

Instrument Clocks ( Dash clocks ) - these will also have to be reset from the donar vehicle and then re-programmed to new vehicle.
Radio CD30 / CD70 / CD30MP3 - these will also need resetting before fitting , then will also require programming in order to work.
central dispaly ( fuel consumption / time / date etc ) also resetting and programming.

You will need to make sure that the above parts are reset before fitted to the new vehicles as they are programmed already.

Also, most modern Vauxhall vehicles electrical parts now need resetting while in the car, and go through the ECU programming process.

Please feel free to comment on any other experiences you have had below with any make and model of vehicle. We would love to hear from any examples or problems that you have come across.