Peugeot 307 308 ecu location

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Lift the bonnet and look to the right of the battery and you will see a relay box

Peugeot 307.jpeg

  • Remove key from ignition
  • Disconnect battery
  • Remove the lid and you will see the ECU located at the front of the relay box
  • For models 2009 onwards it will have a security plate over the edge connector
  • You will need to remove the security bolts in order to remove the ECU