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How to Replace the ECU of a Peugeot 307

Model: Peugeot 307 MK 1 - Years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: Control unit

Video tutorial

If the ECU of your Peugeot 307 has serious operational issues and you need to replace it, this guide is all you need. Read it carefully and apply the instructions provided.

First, switch off the vehicle completely. Lift the bonnet and locate the wiring system on the right side.

Disconnect all the various cables using the small lever, and once done, lift the entire ECU to remove it completely. At this point, simply insert the new ECU and connect the various cables.


Updated on 23 May 2026 by ScegliAuto


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by ScegliAuto

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