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How to Replace the ECU in the Abarth 500?

Model: Fiat 500 312 - Years 2007-2022
Part: Control unit

In this tutorial, see how to replace the ECU in the Abarth 500, a very simple and quick operation. First, ensure the key is not inserted, then open the bonnet, push the two yellow locks inwards, unlock the retaining levers, and disconnect the large connectors. Next, remove the 4 fixing bolts of the ECU using a 10 mm socket spanner and extract it, taking care not to damage the thin front earth cable. At this point, refit the replacement by simply following the reverse procedure.

Updated on 24 June 2026 by ScegliAuto

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