Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
To perform a diagnosis on a Moto Guzzi California 1400, you need to access the components installed under the seat: this must be removed from its housing by inserting the key into the lock and turning it, allowing the seat to be completely detached. Underneath, there will be a cable directly connected to the ECU: an adapter must be connected to this cable, which will allow a scanner to be connected to the ECU. Once connected, you can use it to view all the errors stored in the ECU.

Updated on 19 May 2026 by ScegliAuto

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