What is the body computer (bcm)?

What is the body computer (bcm)?

The body computer has several acronyms depending on the manufacturer FCA calls it Body Computer Mercedes Smart calls it SAM Renault calls it UCH etc. But they are all mounted under the steering wheel and to them is connected the OBD plug for diagnosis as responsible for managing all the options of our car. One of the common problems with Fiat Alfa Lancia cars is the failure of the arrows or lights or the central locking. While on the Smart you no longer start the car as it does not recognize the key.

Do you need to replace your body computer?

You have to find a body computer that has the same product code on the label as your original, and then you have to clone the key data, km otherwise the car will not start.